830660931 has 6 divisors (see below), whose sum is σ = 1199843580. Its totient is φ = 553773948.

The previous prime is 830660927. The next prime is 830660959. The reversal of 830660931 is 139066038.

It is a happy number.

It is not a de Polignac number, because 830660931 - 2² = 830660927 is a prime.

It is a super-2 number, since 2×830660931² = 1379995164579573522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (830660911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46147821 + ... + 46147838.

It is an arithmetic number, because the mean of its divisors is an integer number (199973930).

Almost surely, 2^830660931 is an apocalyptic number.

830660931 is a deficient number, since it is larger than the sum of its proper divisors (369182649).

830660931 is a wasteful number, since it uses less digits than its factorization.

830660931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92295665 (or 92295662 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 830660931 is about 28821.1889241232. The cubic root of 830660931 is about 940.0290209088.

The spelling of 830660931 in words is "eight hundred thirty million, six hundred sixty thousand, nine hundred thirty-one".