4890566 has 4 divisors (see below), whose sum is σ = 7335852. Its totient is φ = 2445282.

The previous prime is 4890563. The next prime is 4890593. The reversal of 4890566 is 6650984.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4890563) 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 as a sum of consecutive naturals, namely, 1222640 + ... + 1222643.

It is an arithmetic number, because the mean of its divisors is an integer number (1833963).

Almost surely, 2^4890566 is an apocalyptic number.

4890566 is a deficient number, since it is larger than the sum of its proper divisors (2445286).

4890566 is a wasteful number, since it uses less digits than its factorization.

4890566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445285.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 4890566 is about 2211.4624120703. The cubic root of 4890566 is about 169.7408508267.

The spelling of 4890566 in words is "four million, eight hundred ninety thousand, five hundred sixty-six".