34840831 has 4 divisors (see below), whose sum is σ = 34855200. Its totient is φ = 34826464.

The previous prime is 34840823. The next prime is 34840843. The reversal of 34840831 is 13804843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13804843 = 13 ⋅1061911.

It is a cyclic number.

It is not a de Polignac number, because 34840831 - 2³ = 34840823 is a prime.

It is a super-2 number, since 2×34840831² = 2427767009541122, 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 = 34840793 and 34840802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34840231) 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, 2551 + ... + 8728.

It is an arithmetic number, because the mean of its divisors is an integer number (8713800).

Almost surely, 2^34840831 is an apocalyptic number.

34840831 is a deficient number, since it is larger than the sum of its proper divisors (14369).

34840831 is a wasteful number, since it uses less digits than its factorization.

34840831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14368.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 34840831 is about 5902.6122183318. The cubic root of 34840831 is about 326.6100180588.

The spelling of 34840831 in words is "thirty-four million, eight hundred forty thousand, eight hundred thirty-one".