34320979 has 16 divisors (see below), whose sum is σ = 43497216. Its totient is φ = 26301600.

The previous prime is 34320971. The next prime is 34320983. The reversal of 34320979 is 97902343.

It is a cyclic number.

It is not a de Polignac number, because 34320979 - 2³ = 34320971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34320971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1044 + ... + 8350.

It is an arithmetic number, because the mean of its divisors is an integer number (2718576).

Almost surely, 2^34320979 is an apocalyptic number.

34320979 is a deficient number, since it is larger than the sum of its proper divisors (9176237).

34320979 is a wasteful number, since it uses less digits than its factorization.

34320979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7386.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 34320979 is about 5858.4109620272. The cubic root of 34320979 is about 324.9774469557.

The spelling of 34320979 in words is "thirty-four million, three hundred twenty thousand, nine hundred seventy-nine".