86034391 has 2 divisors, whose sum is σ = 86034392. Its totient is φ = 86034390.

The previous prime is 86034373. The next prime is 86034407. The reversal of 86034391 is 19343068.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86034391 - 2⁹ = 86033879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86034371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43017195 + 43017196.

It is an arithmetic number, because the mean of its divisors is an integer number (43017196).

Almost surely, 2^86034391 is an apocalyptic number.

86034391 is a deficient number, since it is larger than the sum of its proper divisors (1).

86034391 is an equidigital number, since it uses as much as digits as its factorization.

86034391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 86034391 is about 9275.4725486090. The cubic root of 86034391 is about 441.4593264047.

The spelling of 86034391 in words is "eighty-six million, thirty-four thousand, three hundred ninety-one".