39898275 has 12 divisors (see below), whose sum is σ = 65965272. Its totient is φ = 21279040.

The previous prime is 39898211. The next prime is 39898279. The reversal of 39898275 is 57289893.

It is not a de Polignac number, because 39898275 - 2⁶ = 39898211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39898279) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 265914 + ... + 266063.

It is an arithmetic number, because the mean of its divisors is an integer number (5497106).

Almost surely, 2^39898275 is an apocalyptic number.

39898275 is a deficient number, since it is larger than the sum of its proper divisors (26066997).

39898275 is a wasteful number, since it uses less digits than its factorization.

39898275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531990 (or 531985 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 39898275 is about 6316.5081334547. The cubic root of 39898275 is about 341.7050310546.

The spelling of 39898275 in words is "thirty-nine million, eight hundred ninety-eight thousand, two hundred seventy-five".