4618634 has 12 divisors (see below), whose sum is σ = 7312914. Its totient is φ = 2187432.

The previous prime is 4618619. The next prime is 4618639. The reversal of 4618634 is 4368164.

It can be written as a sum of positive squares in only one way, i.e., 4609609 + 9025 = 2147^2 + 95^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4618634.

It is not an unprimeable number, because it can be changed into a prime (4618639) 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 5 ways as a sum of consecutive naturals, for example, 2477 + ... + 3920.

Almost surely, 2^4618634 is an apocalyptic number.

4618634 is a deficient number, since it is larger than the sum of its proper divisors (2694280).

4618634 is a wasteful number, since it uses less digits than its factorization.

4618634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6437 (or 6418 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 4618634 is about 2149.1007421710. The cubic root of 4618634 is about 166.5346145121.

The spelling of 4618634 in words is "four million, six hundred eighteen thousand, six hundred thirty-four".