4947579 has 36 divisors (see below), whose sum is σ = 8963136. Its totient is φ = 2606688.

The previous prime is 4947577. The next prime is 4947587. The reversal of 4947579 is 9757494.

It is not a de Polignac number, because 4947579 - 2¹ = 4947577 is a prime.

It is a super-2 number, since 2×4947579² = 48957075922482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4947571) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5302 + ... + 6164.

It is an arithmetic number, because the mean of its divisors is an integer number (248976).

Almost surely, 2^4947579 is an apocalyptic number.

4947579 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4947579 is a deficient number, since it is larger than the sum of its proper divisors (4015557).

4947579 is a wasteful number, since it uses less digits than its factorization.

4947579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896 (or 886 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 4947579 is about 2224.3154002974. The cubic root of 4947579 is about 170.3979030027.

The spelling of 4947579 in words is "four million, nine hundred forty-seven thousand, five hundred seventy-nine".