3869263140 has 96 divisors (see below), whose sum is σ = 11237560320. Its totient is φ = 993686400.

The previous prime is 3869263127. The next prime is 3869263157. The reversal of 3869263140 is 413629683.

It is a junction number, because it is equal to n+sod(n) for n = 3869263092 and 3869263101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 387531 + ... + 397389.

It is an arithmetic number, because the mean of its divisors is an integer number (117057920).

Almost surely, 2^3869263140 is an apocalyptic number.

3869263140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3869263140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5618780160).

3869263140 is an abundant number, since it is smaller than the sum of its proper divisors (7368297180).

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

3869263140 is a wasteful number, since it uses less digits than its factorization.

3869263140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10113 (or 10111 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 3869263140 is about 62203.4013539453. The cubic root of 3869263140 is about 1569.9148181569.

The spelling of 3869263140 in words is "three billion, eight hundred sixty-nine million, two hundred sixty-three thousand, one hundred forty".