86434831 has 8 divisors (see below), whose sum is σ = 98917280. Its totient is φ = 73986048.

The previous prime is 86434801. The next prime is 86434853. The reversal of 86434831 is 13843468.

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 86434831 - 2¹¹ = 86432783 is a prime.

It is a super-2 number, since 2×86434831² = 14941960019997122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86434801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2646 + ... + 13411.

It is an arithmetic number, because the mean of its divisors is an integer number (12364660).

Almost surely, 2^86434831 is an apocalyptic number.

86434831 is a deficient number, since it is larger than the sum of its proper divisors (12482449).

86434831 is a wasteful number, since it uses less digits than its factorization.

86434831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16833.

The product of its digits is 55296, while the sum is 37.

The square root of 86434831 is about 9297.0334515909. The cubic root of 86434831 is about 442.1431785691.

The spelling of 86434831 in words is "eighty-six million, four hundred thirty-four thousand, eight hundred thirty-one".