5657490 has 24 divisors (see below), whose sum is σ = 14709708. Its totient is φ = 1508640.

The previous prime is 5657489. The next prime is 5657503. The reversal of 5657490 is 947565.

5657490 is a `hidden beast` number, since 565 + 7 + 4 + 90 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5322249 + 335241 = 2307^2 + 579^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31341 + ... + 31520.

Almost surely, 2^5657490 is an apocalyptic number.

5657490 is an abundant number, since it is smaller than the sum of its proper divisors (9052218).

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

5657490 is a wasteful number, since it uses less digits than its factorization.

5657490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62874 (or 62871 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 5657490 is about 2378.5478763313. The cubic root of 5657490 is about 178.1864183401.

The spelling of 5657490 in words is "five million, six hundred fifty-seven thousand, four hundred ninety".