34523391 has 24 divisors (see below), whose sum is σ = 55880064. Its totient is φ = 18868080.

The previous prime is 34523389. The next prime is 34523473. The reversal of 34523391 is 19332543.

It is not a de Polignac number, because 34523391 - 2¹ = 34523389 is a prime.

It is a super-2 number, since 2×34523391² = 2383729052277762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34523351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1725 + ... + 8486.

It is an arithmetic number, because the mean of its divisors is an integer number (2328336).

Almost surely, 2^34523391 is an apocalyptic number.

34523391 is a deficient number, since it is larger than the sum of its proper divisors (21356673).

34523391 is a wasteful number, since it uses less digits than its factorization.

34523391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10251 (or 10244 counting only the distinct ones).

The product of its digits is 9720, while the sum is 30.

The square root of 34523391 is about 5875.6608989968. The cubic root of 34523391 is about 325.6150593350.

The spelling of 34523391 in words is "thirty-four million, five hundred twenty-three thousand, three hundred ninety-one".