1890825904 has 40 divisors (see below), whose sum is σ = 4125450240. Its totient is φ = 831739200.

The previous prime is 1890825887. The next prime is 1890825931. The reversal of 1890825904 is 4095280981.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

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, 167824 + ... + 178735.

It is an arithmetic number, because the mean of its divisors is an integer number (103136256).

Almost surely, 2^1890825904 is an apocalyptic number.

It is an amenable number.

1890825904 is an abundant number, since it is smaller than the sum of its proper divisors (2234624336).

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

1890825904 is a wasteful number, since it uses less digits than its factorization.

1890825904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346609 (or 346603 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 46.

The square root of 1890825904 is about 43483.6279995126. The cubic root of 1890825904 is about 1236.5656582141.

The spelling of 1890825904 in words is "one billion, eight hundred ninety million, eight hundred twenty-five thousand, nine hundred four".