86306644 has 12 divisors (see below), whose sum is σ = 155118964. Its totient is φ = 41986944.

The previous prime is 86306537. The next prime is 86306651. The reversal of 86306644 is 44660368.

It can be written as a sum of positive squares in 2 ways, for example, as 59907600 + 26399044 = 7740^2 + 5138^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 291429 + ... + 291724.

Almost surely, 2^86306644 is an apocalyptic number.

It is an amenable number.

86306644 is a deficient number, since it is larger than the sum of its proper divisors (68812320).

86306644 is a wasteful number, since it uses less digits than its factorization.

86306644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583194 (or 583192 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 86306644 is about 9290.1369204119. The cubic root of 86306644 is about 441.9244972485.

The spelling of 86306644 in words is "eighty-six million, three hundred six thousand, six hundred forty-four".