4997566 has 8 divisors (see below), whose sum is σ = 8567280. Its totient is φ = 2141808.

The previous prime is 4997563. The next prime is 4997567. The reversal of 4997566 is 6657994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4997563) 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 3 ways as a sum of consecutive naturals, for example, 178471 + ... + 178498.

It is an arithmetic number, because the mean of its divisors is an integer number (1070910).

Almost surely, 2^4997566 is an apocalyptic number.

4997566 is a deficient number, since it is larger than the sum of its proper divisors (3569714).

4997566 is a wasteful number, since it uses less digits than its factorization.

4997566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356978.

The product of its digits is 408240, while the sum is 46.

The square root of 4997566 is about 2235.5236523016. The cubic root of 4997566 is about 170.9698429543.

The spelling of 4997566 in words is "four million, nine hundred ninety-seven thousand, five hundred sixty-six".