86646452 has 24 divisors (see below), whose sum is σ = 156318624. Its totient is φ = 41992992.

The previous prime is 86646449. The next prime is 86646463. The reversal of 86646452 is 25464668.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44483 + ... + 46389.

It is an arithmetic number, because the mean of its divisors is an integer number (6513276).

Almost surely, 2^86646452 is an apocalyptic number.

It is an amenable number.

86646452 is a deficient number, since it is larger than the sum of its proper divisors (69672172).

86646452 is a wasteful number, since it uses less digits than its factorization.

86646452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255 (or 2253 counting only the distinct ones).

The product of its digits is 276480, while the sum is 41.

The square root of 86646452 is about 9308.4075974358. The cubic root of 86646452 is about 442.5037219728.

The spelling of 86646452 in words is "eighty-six million, six hundred forty-six thousand, four hundred fifty-two".