86446408 has 16 divisors (see below), whose sum is σ = 162736560. Its totient is φ = 43050000.

The previous prime is 86446403. The next prime is 86446417. The reversal of 86446408 is 80464468.

It is a super-2 number, since 2×86446408² = 14945962912204928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86446403) 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, 19518 + ... + 23533.

It is an arithmetic number, because the mean of its divisors is an integer number (10171035).

Almost surely, 2^86446408 is an apocalyptic number.

It is an amenable number.

86446408 is a deficient number, since it is larger than the sum of its proper divisors (76290152).

86446408 is a wasteful number, since it uses less digits than its factorization.

86446408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43308 (or 43304 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 86446408 is about 9297.6560487039. The cubic root of 86446408 is about 442.1629177684.

The spelling of 86446408 in words is "eighty-six million, four hundred forty-six thousand, four hundred eight".