86496381 has 12 divisors (see below), whose sum is σ = 125110908. Its totient is φ = 57585024.

The previous prime is 86496373. The next prime is 86496401. The reversal of 86496381 is 18369468.

86496381 is a `hidden beast` number, since 8 + 6 + 4 + 9 + 638 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8173881 + 78322500 = 2859^2 + 8850^2 .

It is not a de Polignac number, because 86496381 - 2³ = 86496373 is a prime.

It is a super-2 number, since 2×86496381² = 14963247852194322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86496181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 741 + ... + 13173.

It is an arithmetic number, because the mean of its divisors is an integer number (10425909).

Almost surely, 2^86496381 is an apocalyptic number.

It is an amenable number.

86496381 is a deficient number, since it is larger than the sum of its proper divisors (38614527).

86496381 is a wasteful number, since it uses less digits than its factorization.

86496381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13212 (or 13209 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 86496381 is about 9300.3430581888. The cubic root of 86496381 is about 442.2481033054.

The spelling of 86496381 in words is "eighty-six million, four hundred ninety-six thousand, three hundred eighty-one".