85746644 has 12 divisors (see below), whose sum is σ = 153546624. Its totient is φ = 41876184.

The previous prime is 85746631. The next prime is 85746653. The reversal of 85746644 is 44664758.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 85746595 and 85746604.

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 3 ways as a sum of consecutive naturals, for example, 249092 + ... + 249435.

It is an arithmetic number, because the mean of its divisors is an integer number (12795552).

Almost surely, 2^85746644 is an apocalyptic number.

It is an amenable number.

85746644 is a deficient number, since it is larger than the sum of its proper divisors (67799980).

85746644 is a wasteful number, since it uses less digits than its factorization.

85746644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498574 (or 498572 counting only the distinct ones).

The product of its digits is 645120, while the sum is 44.

The square root of 85746644 is about 9259.9483799857. The cubic root of 85746644 is about 440.9666146058.

The spelling of 85746644 in words is "eighty-five million, seven hundred forty-six thousand, six hundred forty-four".