4574639 has 8 divisors (see below), whose sum is σ = 4755072. Its totient is φ = 4396320.

The previous prime is 4574599. The next prime is 4574659. The reversal of 4574639 is 9364754.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4574639 is a prime.

It is a super-4 number, since 4×4574639⁴ (a number of 28 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4574659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4937 + ... + 5789.

It is an arithmetic number, because the mean of its divisors is an integer number (594384).

Almost surely, 2^4574639 is an apocalyptic number.

4574639 is a deficient number, since it is larger than the sum of its proper divisors (180433).

4574639 is a wasteful number, since it uses less digits than its factorization.

4574639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057.

The product of its digits is 90720, while the sum is 38.

The square root of 4574639 is about 2138.8405737689. The cubic root of 4574639 is about 166.0041490229.

The spelling of 4574639 in words is "four million, five hundred seventy-four thousand, six hundred thirty-nine".