86940442 has 8 divisors (see below), whose sum is σ = 130619232. Its totient is φ = 43400700.

The previous prime is 86940439. The next prime is 86940443. The reversal of 86940442 is 24404968.

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

It is not an unprimeable number, because it can be changed into a prime (86940443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33184 + ... + 35707.

It is an arithmetic number, because the mean of its divisors is an integer number (16327404).

Almost surely, 2^86940442 is an apocalyptic number.

86940442 is a deficient number, since it is larger than the sum of its proper divisors (43678790).

86940442 is a wasteful number, since it uses less digits than its factorization.

86940442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69524.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 86940442 is about 9324.1858625834. The cubic root of 86940442 is about 443.0036263158.

The spelling of 86940442 in words is "eighty-six million, nine hundred forty thousand, four hundred forty-two".