402253198 has 16 divisors (see below), whose sum is σ = 614670336. Its totient is φ = 197389080.

The previous prime is 402253177. The next prime is 402253207. The reversal of 402253198 is 891352204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25315 + ... + 38017.

It is an arithmetic number, because the mean of its divisors is an integer number (38416896).

Almost surely, 2^402253198 is an apocalyptic number.

402253198 is a deficient number, since it is larger than the sum of its proper divisors (212417138).

402253198 is a wasteful number, since it uses less digits than its factorization.

402253198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12999.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 402253198 is about 20056.2508460579. The cubic root of 402253198 is about 738.1871855245.

The spelling of 402253198 in words is "four hundred two million, two hundred fifty-three thousand, one hundred ninety-eight".