39945298 has 16 divisors (see below), whose sum is σ = 62472960. Its totient is φ = 19134000.

The previous prime is 39945293. The next prime is 39945307. The reversal of 39945298 is 89254993.

It is not an unprimeable number, because it can be changed into a prime (39945293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3073 + ... + 9451.

It is an arithmetic number, because the mean of its divisors is an integer number (3904560).

Almost surely, 2^39945298 is an apocalyptic number.

39945298 is a deficient number, since it is larger than the sum of its proper divisors (22527662).

39945298 is a wasteful number, since it uses less digits than its factorization.

39945298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6513.

The product of its digits is 699840, while the sum is 49.

The square root of 39945298 is about 6320.2292679934. The cubic root of 39945298 is about 341.8392197079.

The spelling of 39945298 in words is "thirty-nine million, nine hundred forty-five thousand, two hundred ninety-eight".