1904469872 has 40 divisors (see below), whose sum is σ = 3815708160. Its totient is φ = 919880640.

The previous prime is 1904469839. The next prime is 1904469893. The reversal of 1904469872 is 2789644091.

It is a self number, because there is not a number n which added to its sum of digits gives 1904469872.

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, 303923 + ... + 310125.

It is an arithmetic number, because the mean of its divisors is an integer number (95392704).

Almost surely, 2^1904469872 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 1904469872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1907854080).

1904469872 is an abundant number, since it is smaller than the sum of its proper divisors (1911238288).

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

1904469872 is a wasteful number, since it uses less digits than its factorization.

1904469872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6861 (or 6855 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 1904469872 is about 43640.2322633599. The cubic root of 1904469872 is about 1239.5328347721.

The spelling of 1904469872 in words is "one billion, nine hundred four million, four hundred sixty-nine thousand, eight hundred seventy-two".