899942398 has 16 divisors (see below), whose sum is σ = 1355286816. Its totient is φ = 448184800.

The previous prime is 899942389. The next prime is 899942401. The reversal of 899942398 is 893249998.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 915015 + ... + 915997.

It is an arithmetic number, because the mean of its divisors is an integer number (84705426).

Almost surely, 2^899942398 is an apocalyptic number.

899942398 is a deficient number, since it is larger than the sum of its proper divisors (455344418).

899942398 is a wasteful number, since it uses less digits than its factorization.

899942398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339.

The product of its digits is 10077696, while the sum is 61.

The square root of 899942398 is about 29999.0399513051. The cubic root of 899942398 is about 965.4687863441.

The spelling of 899942398 in words is "eight hundred ninety-nine million, nine hundred forty-two thousand, three hundred ninety-eight".