849876031 has 4 divisors (see below), whose sum is σ = 849945600. Its totient is φ = 849806464.

The previous prime is 849876017. The next prime is 849876047. The reversal of 849876031 is 130678948.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-849876031 is a prime.

It is a super-2 number, since 2×849876031² = 1444578536136625922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849876091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11071 + ... + 42688.

It is an arithmetic number, because the mean of its divisors is an integer number (212486400).

Almost surely, 2^849876031 is an apocalyptic number.

849876031 is a deficient number, since it is larger than the sum of its proper divisors (69569).

849876031 is a wasteful number, since it uses less digits than its factorization.

849876031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69568.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 849876031 is about 29152.6333458918. The cubic root of 849876031 is about 947.2221832230. Note that the first 3 decimals are identical.

The spelling of 849876031 in words is "eight hundred forty-nine million, eight hundred seventy-six thousand, thirty-one".