39484979 has 16 divisors (see below), whose sum is σ = 42577920. Its totient is φ = 36533280.

The previous prime is 39484967. The next prime is 39484981. The reversal of 39484979 is 97948493.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 39484979 - 2²⁰ = 38436403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39484979.

It is not an unprimeable number, because it can be changed into a prime (39480979) 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, 150002 + ... + 150264.

It is an arithmetic number, because the mean of its divisors is an integer number (2661120).

Almost surely, 2^39484979 is an apocalyptic number.

39484979 is a deficient number, since it is larger than the sum of its proper divisors (3092941).

39484979 is a wasteful number, since it uses less digits than its factorization.

39484979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490.

The product of its digits is 1959552, while the sum is 53.

The square root of 39484979 is about 6283.7074247613. The cubic root of 39484979 is about 340.5210551617.

The spelling of 39484979 in words is "thirty-nine million, four hundred eighty-four thousand, nine hundred seventy-nine".