86391694 has 8 divisors (see below), whose sum is σ = 131784120. Its totient is φ = 42463656.

The previous prime is 86391673. The next prime is 86391709. The reversal of 86391694 is 49619368.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365949 + ... + 366184.

It is an arithmetic number, because the mean of its divisors is an integer number (16473015).

Almost surely, 2^86391694 is an apocalyptic number.

86391694 is a deficient number, since it is larger than the sum of its proper divisors (45392426).

86391694 is a wasteful number, since it uses less digits than its factorization.

86391694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732194.

The product of its digits is 279936, while the sum is 46.

The square root of 86391694 is about 9294.7132284972. The cubic root of 86391694 is about 442.0696129173.

The spelling of 86391694 in words is "eighty-six million, three hundred ninety-one thousand, six hundred ninety-four".