898626642 has 32 divisors (see below), whose sum is σ = 1864281408. Its totient is φ = 288562176.

The previous prime is 898626637. The next prime is 898626697. The reversal of 898626642 is 246626898.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5023 + ... + 42690.

It is an arithmetic number, because the mean of its divisors is an integer number (58258794).

Almost surely, 2^898626642 is an apocalyptic number.

898626642 is an abundant number, since it is smaller than the sum of its proper divisors (965654766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

898626642 is a wasteful number, since it uses less digits than its factorization.

898626642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47834.

The product of its digits is 1990656, while the sum is 51.

The square root of 898626642 is about 29977.1019613304. The cubic root of 898626642 is about 964.9980373482.

The spelling of 898626642 in words is "eight hundred ninety-eight million, six hundred twenty-six thousand, six hundred forty-two".