3869997120 has 336 divisors, whose sum is σ = 14635520640. Its totient is φ = 930816000.

The previous prime is 3869997097. The next prime is 3869997139. The reversal of 3869997120 is 217999683.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4783276 + ... + 4784084.

Almost surely, 2^3869997120 is an apocalyptic number.

3869997120 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 3869997120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7317760320).

3869997120 is an abundant number, since it is smaller than the sum of its proper divisors (10765523520).

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

3869997120 is a wasteful number, since it uses less digits than its factorization.

3869997120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994 (or 981 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The square root of 3869997120 is about 62209.3009123234. The cubic root of 3869997120 is about 1570.0140802286.

The spelling of 3869997120 in words is "three billion, eight hundred sixty-nine million, nine hundred ninety-seven thousand, one hundred twenty".