86429256 has 16 divisors (see below), whose sum is σ = 216073200. Its totient is φ = 28809744.

The previous prime is 86429249. The next prime is 86429267. The reversal of 86429256 is 65292468.

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, 1800586 + ... + 1800633.

It is an arithmetic number, because the mean of its divisors is an integer number (13504575).

Almost surely, 2^86429256 is an apocalyptic number.

It is an amenable number.

86429256 is an abundant number, since it is smaller than the sum of its proper divisors (129643944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86429256 is a wasteful number, since it uses less digits than its factorization.

86429256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3601228 (or 3601224 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 86429256 is about 9296.7336199334. The cubic root of 86429256 is about 442.1336723658.

The spelling of 86429256 in words is "eighty-six million, four hundred twenty-nine thousand, two hundred fifty-six".