4564690 has 48 divisors (see below), whose sum is σ = 9262728. Its totient is φ = 1617408.

The previous prime is 4564669. The next prime is 4564697. The reversal of 4564690 is 964654.

It can be written as a sum of positive squares in 12 ways, for example, as 167281 + 4397409 = 409^2 + 2097^2 .

It is a super-2 number, since 2×4564690² = 41672789592200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4564697) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 62494 + ... + 62566.

Almost surely, 2^4564690 is an apocalyptic number.

4564690 is an abundant number, since it is smaller than the sum of its proper divisors (4698038).

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

4564690 is a wasteful number, since it uses less digits than its factorization.

4564690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 4564690 is about 2136.5135150520. The cubic root of 4564690 is about 165.8837188266.

The spelling of 4564690 in words is "four million, five hundred sixty-four thousand, six hundred ninety".