1904031232 has 40 divisors (see below), whose sum is σ = 3815086176. Its totient is φ = 949327872.

The previous prime is 1904031223. The next prime is 1904031301. The reversal of 1904031232 is 2321304091.

It is a junction number, because it is equal to n+sod(n) for n = 1904031197 and 1904031206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182838 + ... + 192970.

Almost surely, 2^1904031232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1904031232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1907543088).

1904031232 is an abundant number, since it is smaller than the sum of its proper divisors (1911054944).

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

1904031232 is an equidigital number, since it uses as much as digits as its factorization.

1904031232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10518 (or 10502 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1904031232 is about 43635.2063361685. The cubic root of 1904031232 is about 1239.4376638554.

The spelling of 1904031232 in words is "one billion, nine hundred four million, thirty-one thousand, two hundred thirty-two".