4626631 has 4 divisors (see below), whose sum is σ = 4786200. Its totient is φ = 4467064.

The previous prime is 4626623. The next prime is 4626637. The reversal of 4626631 is 1366264.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4626631 - 2³ = 4626623 is a prime.

It is a super-2 number, since 2×4626631² = 42811428820322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

4626631 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4626631.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79741 + ... + 79798.

It is an arithmetic number, because the mean of its divisors is an integer number (1196550).

Almost surely, 2^4626631 is an apocalyptic number.

4626631 is a deficient number, since it is larger than the sum of its proper divisors (159569).

4626631 is a wasteful number, since it uses less digits than its factorization.

4626631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159568.

The product of its digits is 5184, while the sum is 28.

The square root of 4626631 is about 2150.9604831331. The cubic root of 4626631 is about 166.6306753394.

The spelling of 4626631 in words is "four million, six hundred twenty-six thousand, six hundred thirty-one".