39898375 has 16 divisors (see below), whose sum is σ = 54321696. Its totient is φ = 29016000.

The previous prime is 39898363. The next prime is 39898381. The reversal of 39898375 is 57389893.

It is not a de Polignac number, because 39898375 - 2⁵ = 39898343 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13134 + ... + 15883.

It is an arithmetic number, because the mean of its divisors is an integer number (3395106).

Almost surely, 2^39898375 is an apocalyptic number.

39898375 is a deficient number, since it is larger than the sum of its proper divisors (14423321).

39898375 is a wasteful number, since it uses less digits than its factorization.

39898375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29043 (or 29033 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 52.

The square root of 39898375 is about 6316.5160492157. The cubic root of 39898375 is about 341.7053165346.

The spelling of 39898375 in words is "thirty-nine million, eight hundred ninety-eight thousand, three hundred seventy-five".