4521979 has 8 divisors (see below), whose sum is σ = 5637888. Its totient is φ = 3523560.

The previous prime is 4521977. The next prime is 4522027. The reversal of 4521979 is 9791254.

4521979 = 8² + 9² + ... + 238².

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

It is a cyclic number.

It is not a de Polignac number, because 4521979 - 2¹ = 4521977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4521971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29287 + ... + 29440.

It is an arithmetic number, because the mean of its divisors is an integer number (704736).

Almost surely, 2^4521979 is an apocalyptic number.

4521979 is a deficient number, since it is larger than the sum of its proper divisors (1115909).

4521979 is a wasteful number, since it uses less digits than its factorization.

4521979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58745.

The product of its digits is 22680, while the sum is 37.

The square root of 4521979 is about 2126.4945332636. The cubic root of 4521979 is about 165.3647151272.

The spelling of 4521979 in words is "four million, five hundred twenty-one thousand, nine hundred seventy-nine".