84992231 has 8 divisors (see below), whose sum is σ = 91690704. Its totient is φ = 78482560.

The previous prime is 84992227. The next prime is 84992233. The reversal of 84992231 is 13229948.

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

It is a cyclic number.

It is not a de Polignac number, because 84992231 - 2² = 84992227 is a prime.

It is a super-2 number, since 2×84992231² = 14447358660714722, 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 (84992233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46265 + ... + 48066.

It is an arithmetic number, because the mean of its divisors is an integer number (11461338).

Almost surely, 2^84992231 is an apocalyptic number.

84992231 is a deficient number, since it is larger than the sum of its proper divisors (6698473).

84992231 is a wasteful number, since it uses less digits than its factorization.

84992231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94401.

The product of its digits is 31104, while the sum is 38.

The square root of 84992231 is about 9219.1231144833. The cubic root of 84992231 is about 439.6695711333.

The spelling of 84992231 in words is "eighty-four million, nine hundred ninety-two thousand, two hundred thirty-one".