898957402 has 32 divisors (see below), whose sum is σ = 1588390272. Its totient is φ = 373512384.

The previous prime is 898957387. The next prime is 898957403. The reversal of 898957402 is 204759898.

It is a super-2 number, since 2×898957402² = 1616248821221179208, which contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 898957402.

It is not an unprimeable number, because it can be changed into a prime (898957403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148813 + ... + 154735.

It is an arithmetic number, because the mean of its divisors is an integer number (49637196).

Almost surely, 2^898957402 is an apocalyptic number.

898957402 is a deficient number, since it is larger than the sum of its proper divisors (689432870).

898957402 is a wasteful number, since it uses less digits than its factorization.

898957402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6262.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The square root of 898957402 is about 29982.6183312932. The cubic root of 898957402 is about 965.1164193262.

The spelling of 898957402 in words is "eight hundred ninety-eight million, nine hundred fifty-seven thousand, four hundred two".