86733491 has 8 divisors (see below), whose sum is σ = 95684064. Its totient is φ = 78108480.

The previous prime is 86733469. The next prime is 86733503. The reversal of 86733491 is 19433768.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86733491 is a prime.

It is a super-2 number, since 2×86733491² = 15045396922094162, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86733421) 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, 80831 + ... + 81896.

It is an arithmetic number, because the mean of its divisors is an integer number (11960508).

Almost surely, 2^86733491 is an apocalyptic number.

86733491 is a deficient number, since it is larger than the sum of its proper divisors (8950573).

86733491 is a wasteful number, since it uses less digits than its factorization.

86733491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162781.

The product of its digits is 108864, while the sum is 41.

The square root of 86733491 is about 9313.0817133750. The cubic root of 86733491 is about 442.6518418755.

The spelling of 86733491 in words is "eighty-six million, seven hundred thirty-three thousand, four hundred ninety-one".