39494877 has 16 divisors (see below), whose sum is σ = 54050112. Its totient is φ = 25643520.

The previous prime is 39494869. The next prime is 39494881. The reversal of 39494877 is 77849493.

It is a happy number.

It is not a de Polignac number, because 39494877 - 2³ = 39494869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39494857) 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, 18573 + ... + 20589.

It is an arithmetic number, because the mean of its divisors is an integer number (3378132).

Almost surely, 2^39494877 is an apocalyptic number.

It is an amenable number.

39494877 is a deficient number, since it is larger than the sum of its proper divisors (14555235).

39494877 is a wasteful number, since it uses less digits than its factorization.

39494877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188.

The product of its digits is 1524096, while the sum is 51.

The square root of 39494877 is about 6284.4949677759. The cubic root of 39494877 is about 340.5495064521.

The spelling of 39494877 in words is "thirty-nine million, four hundred ninety-four thousand, eight hundred seventy-seven".