1038904140 has 24 divisors (see below), whose sum is σ = 2908931760. Its totient is φ = 277041088.

The previous prime is 1038904133. The next prime is 1038904157. The reversal of 1038904140 is 414098301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1038904098 and 1038904107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8657475 + ... + 8657594.

It is an arithmetic number, because the mean of its divisors is an integer number (121205490).

Almost surely, 2^1038904140 is an apocalyptic number.

1038904140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1038904140 is an abundant number, since it is smaller than the sum of its proper divisors (1870027620).

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

1038904140 is a wasteful number, since it uses less digits than its factorization.

1038904140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17315081 (or 17315079 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1038904140 is about 32232.0359270090. The cubic root of 1038904140 is about 1012.8034195046.

The spelling of 1038904140 in words is "one billion, thirty-eight million, nine hundred four thousand, one hundred forty".