84160931 has 16 divisors (see below), whose sum is σ = 90764064. Its totient is φ = 77758464.

The previous prime is 84160889. The next prime is 84160943. The reversal of 84160931 is 13906148.

It is a happy number.

It is not a de Polignac number, because 84160931 - 2²⁶ = 17052067 is a prime.

It is a super-2 number, since 2×84160931² = 14166124613573522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84163931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370640 + ... + 370866.

It is an arithmetic number, because the mean of its divisors is an integer number (5672754).

Almost surely, 2^84160931 is an apocalyptic number.

84160931 is a deficient number, since it is larger than the sum of its proper divisors (6603133).

84160931 is a wasteful number, since it uses less digits than its factorization.

84160931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 84160931 is about 9173.9266947148. The cubic root of 84160931 is about 438.2314182654.

The spelling of 84160931 in words is "eighty-four million, one hundred sixty thousand, nine hundred thirty-one".