86409234 has 32 divisors (see below), whose sum is σ = 193218240. Its totient is φ = 28623456.

The previous prime is 86409223. The next prime is 86409251. The reversal of 86409234 is 43290468.

It is a happy number.

86409234 is a `hidden beast` number, since 8 + 640 + 9 + 2 + 3 + 4 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3894 + ... + 13710.

It is an arithmetic number, because the mean of its divisors is an integer number (6038070).

Almost surely, 2^86409234 is an apocalyptic number.

86409234 is an abundant number, since it is smaller than the sum of its proper divisors (106809006).

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

86409234 is a wasteful number, since it uses less digits than its factorization.

86409234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9991 (or 9985 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 86409234 is about 9295.6567277412. The cubic root of 86409234 is about 442.0995285105.

The spelling of 86409234 in words is "eighty-six million, four hundred nine thousand, two hundred thirty-four".