39414945 has 16 divisors (see below), whose sum is σ = 63645120. Its totient is φ = 20827584.

The previous prime is 39414937. The next prime is 39414983. The reversal of 39414945 is 54941493.

It is not a de Polignac number, because 39414945 - 2³ = 39414937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10419 + ... + 13688.

It is an arithmetic number, because the mean of its divisors is an integer number (3977820).

Almost surely, 2^39414945 is an apocalyptic number.

It is an amenable number.

39414945 is a deficient number, since it is larger than the sum of its proper divisors (24230175).

39414945 is a wasteful number, since it uses less digits than its factorization.

39414945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24224.

The product of its digits is 77760, while the sum is 39.

The square root of 39414945 is about 6278.1322859589. The cubic root of 39414945 is about 340.3196100742.

The spelling of 39414945 in words is "thirty-nine million, four hundred fourteen thousand, nine hundred forty-five".