86940794 has 4 divisors (see below), whose sum is σ = 130411194. Its totient is φ = 43470396.

The previous prime is 86940781. The next prime is 86940881. The reversal of 86940794 is 49704968.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 55726225 + 31214569 = 7465^2 + 5587^2 .

It is a super-2 number, since 2×86940794² = 15117403322700872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21735197 + ... + 21735200.

Almost surely, 2^86940794 is an apocalyptic number.

86940794 is a deficient number, since it is larger than the sum of its proper divisors (43470400).

86940794 is a wasteful number, since it uses less digits than its factorization.

86940794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43470399.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 86940794 is about 9324.2047382069. The cubic root of 86940794 is about 443.0042241851.

The spelling of 86940794 in words is "eighty-six million, nine hundred forty thousand, seven hundred ninety-four".