4557290 has 32 divisors (see below), whose sum is σ = 8577360. Its totient is φ = 1741824.

The previous prime is 4557271. The next prime is 4557307. The reversal of 4557290 is 927554.

4557290 = T₇₇₂ + T₇₇₃ + ... + T₇₈₆.

It can be written as a sum of positive squares in 8 ways, for example, as 1968409 + 2588881 = 1403^2 + 1609^2 .

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 15 ways as a sum of consecutive naturals, for example, 40274 + ... + 40386.

Almost surely, 2^4557290 is an apocalyptic number.

4557290 is a deficient number, since it is larger than the sum of its proper divisors (4020070).

4557290 is a wasteful number, since it uses less digits than its factorization.

4557290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 4557290 is about 2134.7810192149. The cubic root of 4557290 is about 165.7940301179.

The spelling of 4557290 in words is "four million, five hundred fifty-seven thousand, two hundred ninety".