4945566 has 16 divisors (see below), whose sum is σ = 9990288. Its totient is φ = 1632000.

The previous prime is 4945553. The next prime is 4945579. The reversal of 4945566 is 6655494.

It is an interprime number because it is at equal distance from previous prime (4945553) and next prime (4945579).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3475 + ... + 4686.

It is an arithmetic number, because the mean of its divisors is an integer number (624393).

Almost surely, 2^4945566 is an apocalyptic number.

4945566 is an abundant number, since it is smaller than the sum of its proper divisors (5044722).

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

4945566 is a wasteful number, since it uses less digits than its factorization.

4945566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8267.

The product of its digits is 129600, while the sum is 39.

The square root of 4945566 is about 2223.8628554837. The cubic root of 4945566 is about 170.3747901827.

The spelling of 4945566 in words is "four million, nine hundred forty-five thousand, five hundred sixty-six".