899539994 has 8 divisors (see below), whose sum is σ = 1362410400. Its totient is φ = 445403196.

The previous prime is 899539981. The next prime is 899540011. The reversal of 899539994 is 499935998.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 899539994.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2183144 + ... + 2183555.

It is an arithmetic number, because the mean of its divisors is an integer number (170301300).

Almost surely, 2^899539994 is an apocalyptic number.

899539994 is a deficient number, since it is larger than the sum of its proper divisors (462870406).

899539994 is a wasteful number, since it uses less digits than its factorization.

899539994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4366804.

The product of its digits is 28343520, while the sum is 65.

The square root of 899539994 is about 29992.3322534277. The cubic root of 899539994 is about 965.3248636430.

The spelling of 899539994 in words is "eight hundred ninety-nine million, five hundred thirty-nine thousand, nine hundred ninety-four".