1904490672 has 80 divisors (see below), whose sum is σ = 5759964672. Its totient is φ = 530864640.

The previous prime is 1904490661. The next prime is 1904490701. The reversal of 1904490672 is 2760944091.

It is a super-3 number, since 3×1904490672³ (a number of 29 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55348 + ... + 82899.

Almost surely, 2^1904490672 is an apocalyptic number.

1904490672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1904490672 is an abundant number, since it is smaller than the sum of its proper divisors (3855474000).

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

1904490672 is a wasteful number, since it uses less digits than its factorization.

1904490672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138306 (or 138300 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 1904490672 is about 43640.4705749147. The cubic root of 1904490672 is about 1239.5373473470.

The spelling of 1904490672 in words is "one billion, nine hundred four million, four hundred ninety thousand, six hundred seventy-two".