3879223650 has 120 divisors (see below), whose sum is σ = 10926978084. Its totient is φ = 1020211200.

The previous prime is 3879223643. The next prime is 3879223697. The reversal of 3879223650 is 563229783.

It can be written as a sum of positive squares in 6 ways, for example, as 818589321 + 3060634329 = 28611^2 + 55323^2 .

It is a super-2 number, since 2×3879223650² = 30096752253438645000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 3879223596 and 3879223605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 289090 + ... + 302210.

Almost surely, 2^3879223650 is an apocalyptic number.

3879223650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3879223650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5463489042).

3879223650 is an abundant number, since it is smaller than the sum of its proper divisors (7047754434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3879223650 is a wasteful number, since it uses less digits than its factorization.

3879223650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13218 (or 13204 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 3879223650 is about 62283.4139237727. The cubic root of 3879223650 is about 1571.2607896229.

It can be divided in two parts, 3879 and 223650, that added together give a square (227529 = 477²).

The spelling of 3879223650 in words is "three billion, eight hundred seventy-nine million, two hundred twenty-three thousand, six hundred fifty".