4626639 has 10 divisors (see below), whose sum is σ = 6911520. Its totient is φ = 3084372.

The previous prime is 4626637. The next prime is 4626641. The reversal of 4626639 is 9366264.

4626639 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4626637) and next prime (4626641).

It is not a de Polignac number, because 4626639 - 2¹ = 4626637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4626637) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 28479 + ... + 28640.

It is an arithmetic number, because the mean of its divisors is an integer number (691152).

Almost surely, 2^4626639 is an apocalyptic number.

4626639 is a deficient number, since it is larger than the sum of its proper divisors (2284881).

4626639 is an equidigital number, since it uses as much as digits as its factorization.

4626639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57131 (or 57122 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 4626639 is about 2150.9623427666. The cubic root of 4626639 is about 166.6307713808.

The spelling of 4626639 in words is "four million, six hundred twenty-six thousand, six hundred thirty-nine".