4540479 has 12 divisors (see below), whose sum is σ = 6432264. Its totient is φ = 2848384.

The previous prime is 4540469. The next prime is 4540493. The reversal of 4540479 is 9740454.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-4540479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4540429) 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 11 ways as a sum of consecutive naturals, for example, 1752 + ... + 3485.

It is an arithmetic number, because the mean of its divisors is an integer number (536022).

Almost surely, 2^4540479 is an apocalyptic number.

4540479 is a deficient number, since it is larger than the sum of its proper divisors (1891785).

4540479 is a wasteful number, since it uses less digits than its factorization.

4540479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5274 (or 5257 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 4540479 is about 2130.8399752210. The cubic root of 4540479 is about 165.5899177623.

The spelling of 4540479 in words is "four million, five hundred forty thousand, four hundred seventy-nine".