34213979 has 8 divisors (see below), whose sum is σ = 36998208. Its totient is φ = 31515520.

The previous prime is 34213973. The next prime is 34213981. The reversal of 34213979 is 97931243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34213979 - 2⁸ = 34213723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34213973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20612 + ... + 22209.

It is an arithmetic number, because the mean of its divisors is an integer number (4624776).

Almost surely, 2^34213979 is an apocalyptic number.

34213979 is a deficient number, since it is larger than the sum of its proper divisors (2784229).

34213979 is a wasteful number, since it uses less digits than its factorization.

34213979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42885.

The product of its digits is 40824, while the sum is 38.

The square root of 34213979 is about 5849.2716640621. The cubic root of 34213979 is about 324.6393759319.

The spelling of 34213979 in words is "thirty-four million, two hundred thirteen thousand, nine hundred seventy-nine".