398569102 has 4 divisors (see below), whose sum is σ = 597853656. Its totient is φ = 199284550.

The previous prime is 398569037. The next prime is 398569111. The reversal of 398569102 is 201965893.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99642274 + ... + 99642277.

It is an arithmetic number, because the mean of its divisors is an integer number (149463414).

Almost surely, 2^398569102 is an apocalyptic number.

398569102 is a deficient number, since it is larger than the sum of its proper divisors (199284554).

398569102 is a wasteful number, since it uses less digits than its factorization.

398569102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199284553.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 398569102 is about 19964.1955009462. The cubic root of 398569102 is about 735.9266711266.

The spelling of 398569102 in words is "three hundred ninety-eight million, five hundred sixty-nine thousand, one hundred two".