34390631 has 8 divisors (see below), whose sum is σ = 38077824. Its totient is φ = 30796920.

The previous prime is 34390619. The next prime is 34390633. The reversal of 34390631 is 13609343.

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

It is not a de Polignac number, because 34390631 - 2¹⁴ = 34374247 is a prime.

It is a super-2 number, since 2×34390631² = 2365431001156322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34390594 and 34390603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34390633) 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 7 ways as a sum of consecutive naturals, for example, 22595 + ... + 24068.

It is an arithmetic number, because the mean of its divisors is an integer number (4759728).

Almost surely, 2^34390631 is an apocalyptic number.

34390631 is a deficient number, since it is larger than the sum of its proper divisors (3687193).

34390631 is a wasteful number, since it uses less digits than its factorization.

34390631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46741.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 34390631 is about 5864.3525644354. The cubic root of 34390631 is about 325.1971379899.

Adding to 34390631 its reverse (13609343), we get a palindrome (47999974).

The spelling of 34390631 in words is "thirty-four million, three hundred ninety thousand, six hundred thirty-one".