34391013 has 24 divisors (see below), whose sum is σ = 48748128. Its totient is φ = 21553728.

The previous prime is 34390999. The next prime is 34391029. The reversal of 34391013 is 31019343.

34391013 is nontrivially palindromic in base 13.

It is not a de Polignac number, because 34391013 - 2¹⁷ = 34259941 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34391213) 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, 108331 + ... + 108647.

It is an arithmetic number, because the mean of its divisors is an integer number (2031172).

Almost surely, 2^34391013 is an apocalyptic number.

It is an amenable number.

34391013 is a deficient number, since it is larger than the sum of its proper divisors (14357115).

34391013 is a wasteful number, since it uses less digits than its factorization.

34391013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 34391013 is about 5864.3851340102. The cubic root of 34391013 is about 325.1983420469.

The spelling of 34391013 in words is "thirty-four million, three hundred ninety-one thousand, thirteen".