1887130904 has 16 divisors (see below), whose sum is σ = 3553961400. Its totient is φ = 939407872.

The previous prime is 1887130867. The next prime is 1887130909. The reversal of 1887130904 is 4090317881.

It is a super-2 number, since 2×1887130904² = 7122526097663714432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1887130909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517769 + ... + 521400.

Almost surely, 2^1887130904 is an apocalyptic number.

It is an amenable number.

1887130904 is a deficient number, since it is larger than the sum of its proper divisors (1666830496).

1887130904 is a wasteful number, since it uses less digits than its factorization.

1887130904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039402 (or 1039398 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 1887130904 is about 43441.1199671463. The cubic root of 1887130904 is about 1235.7596454184.

The spelling of 1887130904 in words is "one billion, eight hundred eighty-seven million, one hundred thirty thousand, nine hundred four".