1904973432 has 32 divisors (see below), whose sum is σ = 4766570880. Its totient is φ = 634439520.

The previous prime is 1904973407. The next prime is 1904973451. The reversal of 1904973432 is 2343794091.

It is a congruent number.

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, 5788 + ... + 61995.

It is an arithmetic number, because the mean of its divisors is an integer number (148955340).

Almost surely, 2^1904973432 is an apocalyptic number.

1904973432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1904973432 is an abundant number, since it is smaller than the sum of its proper divisors (2861597448).

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

1904973432 is a wasteful number, since it uses less digits than its factorization.

1904973432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68963 (or 68959 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 1904973432 is about 43646.0013288732. The cubic root of 1904973432 is about 1239.6420732464.

The spelling of 1904973432 in words is "one billion, nine hundred four million, nine hundred seventy-three thousand, four hundred thirty-two".