34621631 has 4 divisors (see below), whose sum is σ = 37769064. Its totient is φ = 31474200.

The previous prime is 34621619. The next prime is 34621633. The reversal of 34621631 is 13612643.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13612643 = 11 ⋅1237513.

It is a cyclic number.

It is not a de Polignac number, because 34621631 - 2⁶ = 34621567 is a prime.

It is a super-2 number, since 2×34621631² = 2397314666200322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34621631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34621633) 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, 1573700 + ... + 1573721.

It is an arithmetic number, because the mean of its divisors is an integer number (9442266).

Almost surely, 2^34621631 is an apocalyptic number.

34621631 is a deficient number, since it is larger than the sum of its proper divisors (3147433).

34621631 is a wasteful number, since it uses less digits than its factorization.

34621631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3147432.

The product of its digits is 2592, while the sum is 26.

The square root of 34621631 is about 5884.0148708174. The cubic root of 34621631 is about 325.9236243226.

The spelling of 34621631 in words is "thirty-four million, six hundred twenty-one thousand, six hundred thirty-one".