34399231 has 4 divisors (see below), whose sum is σ = 34589464. Its totient is φ = 34209000.

The previous prime is 34399223. The next prime is 34399247. The reversal of 34399231 is 13299343.

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

It is not a de Polignac number, because 34399231 - 2³ = 34399223 is a prime.

It is a super-2 number, since 2×34399231² = 2366614186782722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34399271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94845 + ... + 95206.

It is an arithmetic number, because the mean of its divisors is an integer number (8647366).

Almost surely, 2^34399231 is an apocalyptic number.

34399231 is a deficient number, since it is larger than the sum of its proper divisors (190233).

34399231 is a wasteful number, since it uses less digits than its factorization.

34399231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190232.

The product of its digits is 17496, while the sum is 34.

The square root of 34399231 is about 5865.0857623738. The cubic root of 34399231 is about 325.2242428749.

The spelling of 34399231 in words is "thirty-four million, three hundred ninety-nine thousand, two hundred thirty-one".