4537979 has 4 divisors (see below), whose sum is σ = 4776840. Its totient is φ = 4299120.

The previous prime is 4537961. The next prime is 4537987. The reversal of 4537979 is 9797354.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4537979 - 2⁸ = 4537723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4537909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119402 + ... + 119439.

It is an arithmetic number, because the mean of its divisors is an integer number (1194210).

Almost surely, 2^4537979 is an apocalyptic number.

4537979 is a deficient number, since it is larger than the sum of its proper divisors (238861).

4537979 is a wasteful number, since it uses less digits than its factorization.

4537979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238860.

The product of its digits is 238140, while the sum is 44.

The square root of 4537979 is about 2130.2532713271. The cubic root of 4537979 is about 165.5595207641.

The spelling of 4537979 in words is "four million, five hundred thirty-seven thousand, nine hundred seventy-nine".