2057904 has 60 divisors (see below), whose sum is σ = 5957952. Its totient is φ = 662400.

The previous prime is 2057897. The next prime is 2057917. The reversal of 2057904 is 4097502.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4234 + ... + 4694.

2^2057904 is an apocalyptic number.

2057904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2057904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2978976).

2057904 is an abundant number, since it is smaller than the sum of its proper divisors (3900048).

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

2057904 is a wasteful number, since it uses less digits than its factorization.

2057904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2057904 is about 1434.5396474131. The cubic root of 2057904 is about 127.1964636492.

The spelling of 2057904 in words is "two million, fifty-seven thousand, nine hundred four".