86845340 has 12 divisors (see below), whose sum is σ = 182375256. Its totient is φ = 34738128.

The previous prime is 86845243. The next prime is 86845357. The reversal of 86845340 is 4354868.

It is a happy number.

It is a super-2 number, since 2×86845340² = 15084226159431200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86845294 and 86845303.

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, 2171114 + ... + 2171153.

It is an arithmetic number, because the mean of its divisors is an integer number (15197938).

Almost surely, 2^86845340 is an apocalyptic number.

It is an amenable number.

86845340 is an abundant number, since it is smaller than the sum of its proper divisors (95529916).

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

86845340 is a wasteful number, since it uses less digits than its factorization.

86845340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4342276 (or 4342274 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 86845340 is about 9319.0847190054. The cubic root of 86845340 is about 442.8420371439.

The spelling of 86845340 in words is "eighty-six million, eight hundred forty-five thousand, three hundred forty".