86453644 has 12 divisors (see below), whose sum is σ = 153858600. Its totient is φ = 42494048.

The previous prime is 86453617. The next prime is 86453657. The reversal of 86453644 is 44635468.

It is a junction number, because it is equal to n+sod(n) for n = 86453597 and 86453606.

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 3 ways as a sum of consecutive naturals, for example, 182929 + ... + 183400.

It is an arithmetic number, because the mean of its divisors is an integer number (12821550).

Almost surely, 2^86453644 is an apocalyptic number.

It is an amenable number.

86453644 is a deficient number, since it is larger than the sum of its proper divisors (67404956).

86453644 is a wasteful number, since it uses less digits than its factorization.

86453644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366392 (or 366390 counting only the distinct ones).

The product of its digits is 276480, while the sum is 40.

The square root of 86453644 is about 9298.0451708948. The cubic root of 86453644 is about 442.1752545124.

The spelling of 86453644 in words is "eighty-six million, four hundred fifty-three thousand, six hundred forty-four".