3899009280 has 72 divisors (see below), whose sum is σ = 12452473152. Its totient is φ = 1039734784.

The previous prime is 3899009239. The next prime is 3899009299. The reversal of 3899009280 is 829009983.

It is a super-2 number, since 2×3899009280² = 30404546731052236800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503844 + ... + 511523.

It is an arithmetic number, because the mean of its divisors is an integer number (172951016).

Almost surely, 2^3899009280 is an apocalyptic number.

3899009280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3899009280 is an abundant number, since it is smaller than the sum of its proper divisors (8553463872).

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

3899009280 is a wasteful number, since it uses less digits than its factorization.

3899009280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015391 (or 1015377 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 3899009280 is about 62442.0473719432. The cubic root of 3899009280 is about 1573.9276187084.

The spelling of 3899009280 in words is "three billion, eight hundred ninety-nine million, nine thousand, two hundred eighty".