34247979 has 12 divisors (see below), whose sum is σ = 52379496. Its totient is φ = 21488832.

The previous prime is 34247951. The next prime is 34247981. The reversal of 34247979 is 97974243.

It is not a de Polignac number, because 34247979 - 2¹³ = 34239787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34240979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111769 + ... + 112074.

It is an arithmetic number, because the mean of its divisors is an integer number (4364958).

Almost surely, 2^34247979 is an apocalyptic number.

34247979 is a deficient number, since it is larger than the sum of its proper divisors (18131517).

34247979 is a wasteful number, since it uses less digits than its factorization.

34247979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223866 (or 223863 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 34247979 is about 5852.1772871300. The cubic root of 34247979 is about 324.7468766756.

The spelling of 34247979 in words is "thirty-four million, two hundred forty-seven thousand, nine hundred seventy-nine".