39898084 has 24 divisors (see below), whose sum is σ = 73999800. Its totient is φ = 18789120.

The previous prime is 39898073. The next prime is 39898091. The reversal of 39898084 is 48089893.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4161600 + 35736484 = 2040^2 + 5978^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562 + ... + 8950.

It is an arithmetic number, because the mean of its divisors is an integer number (3083325).

Almost surely, 2^39898084 is an apocalyptic number.

It is an amenable number.

39898084 is a deficient number, since it is larger than the sum of its proper divisors (34101716).

39898084 is a wasteful number, since it uses less digits than its factorization.

39898084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8463 (or 8461 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 39898084 is about 6316.4930143237. The cubic root of 39898084 is about 341.7044857865.

The spelling of 39898084 in words is "thirty-nine million, eight hundred ninety-eight thousand, eighty-four".