86046491 has 2 divisors, whose sum is σ = 86046492. Its totient is φ = 86046490.

The previous prime is 86046481. The next prime is 86046523. The reversal of 86046491 is 19464068.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86046491 - 2¹⁴ = 86030107 is a prime.

It is a super-2 number, since 2×86046491² = 14807997226826162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86046431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43023245 + 43023246.

It is an arithmetic number, because the mean of its divisors is an integer number (43023246).

Almost surely, 2^86046491 is an apocalyptic number.

86046491 is a deficient number, since it is larger than the sum of its proper divisors (1).

86046491 is an equidigital number, since it uses as much as digits as its factorization.

86046491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 86046491 is about 9276.1247835505. The cubic root of 86046491 is about 441.4800212586.

The spelling of 86046491 in words is "eighty-six million, forty-six thousand, four hundred ninety-one".