2057404 has 12 divisors (see below), whose sum is σ = 3644424. Its totient is φ = 1016144.

The previous prime is 2057401. The next prime is 2057411. The reversal of 2057404 is 4047502.

It is a super-2 number, since 2×2057404² = 8465822438432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2767 + ... + 3430.

It is an arithmetic number, because the mean of its divisors is an integer number (303702).

2^2057404 is an apocalyptic number.

It is an amenable number.

2057404 is a deficient number, since it is larger than the sum of its proper divisors (1587020).

2057404 is a wasteful number, since it uses less digits than its factorization.

2057404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6284 (or 6282 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 2057404 is about 1434.3653648914. The cubic root of 2057404 is about 127.1861613572.

The spelling of 2057404 in words is "two million, fifty-seven thousand, four hundred four".