899119431 has 48 divisors (see below), whose sum is σ = 1513634304. Its totient is φ = 503692992.

The previous prime is 899119423. The next prime is 899119469. The reversal of 899119431 is 134911998.

It is not a de Polignac number, because 899119431 - 2³ = 899119423 is a prime.

It is a super-2 number, since 2×899119431² = 1616831502403527522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899119421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1236390 + ... + 1237116.

It is an arithmetic number, because the mean of its divisors is an integer number (31534048).

Almost surely, 2^899119431 is an apocalyptic number.

899119431 is a deficient number, since it is larger than the sum of its proper divisors (614514873).

899119431 is a wasteful number, since it uses less digits than its factorization.

899119431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100 (or 1097 counting only the distinct ones).

The product of its digits is 69984, while the sum is 45.

The square root of 899119431 is about 29985.3202584198. The cubic root of 899119431 is about 965.1744003658.

The spelling of 899119431 in words is "eight hundred ninety-nine million, one hundred nineteen thousand, four hundred thirty-one".