3899520000 has 330 divisors, whose sum is σ = 14091003498. Its totient is φ = 1038336000.

The previous prime is 3899519983. The next prime is 3899520041. The reversal of 3899520000 is 259983.

It can be written as a sum of positive squares in 5 ways, for example, as 391090176 + 3508429824 = 19776^2 + 59232^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 5759662 + ... + 5760338.

Almost surely, 2^3899520000 is an apocalyptic number.

3899520000 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 3899520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7045501749).

3899520000 is an abundant number, since it is smaller than the sum of its proper divisors (10191483498).

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

3899520000 is an equidigital number, since it uses as much as digits as its factorization.

3899520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 3899520000 is about 62446.1367900369. The cubic root of 3899520000 is about 1573.9963371238.

Adding to 3899520000 its reverse (259983), we get a palindrome (3899779983).

The spelling of 3899520000 in words is "three billion, eight hundred ninety-nine million, five hundred twenty thousand".