34239843 has 48 divisors (see below), whose sum is σ = 57657600. Its totient is φ = 19362240.

The previous prime is 34239839. The next prime is 34239859. The reversal of 34239843 is 34893243.

It is a happy number.

It is not a de Polignac number, because 34239843 - 2² = 34239839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34239798 and 34239807.

It is not an unprimeable number, because it can be changed into a prime (34239823) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 204946 + ... + 205112.

It is an arithmetic number, because the mean of its divisors is an integer number (1201200).

Almost surely, 2^34239843 is an apocalyptic number.

34239843 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

34239843 is a deficient number, since it is larger than the sum of its proper divisors (23417757).

34239843 is a wasteful number, since it uses less digits than its factorization.

34239843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 309 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 34239843 is about 5851.4821199419. The cubic root of 34239843 is about 324.7211588579.

The spelling of 34239843 in words is "thirty-four million, two hundred thirty-nine thousand, eight hundred forty-three".