39164489 has 16 divisors (see below), whose sum is σ = 49233408. Its totient is φ = 30324672.

The previous prime is 39164483. The next prime is 39164519. The reversal of 39164489 is 98446193.

It is not a de Polignac number, because 39164489 - 2⁴ = 39164473 is a prime.

It is a super-2 number, since 2×39164489² = 3067714397262242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (39164483) 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, 302 + ... + 8855.

It is an arithmetic number, because the mean of its divisors is an integer number (3077088).

Almost surely, 2^39164489 is an apocalyptic number.

It is an amenable number.

39164489 is a deficient number, since it is larger than the sum of its proper divisors (10068919).

39164489 is a wasteful number, since it uses less digits than its factorization.

39164489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9224.

The product of its digits is 186624, while the sum is 44.

The square root of 39164489 is about 6258.1538012420. The cubic root of 39164489 is about 339.5972422354.

The spelling of 39164489 in words is "thirty-nine million, one hundred sixty-four thousand, four hundred eighty-nine".