85643246 has 16 divisors (see below), whose sum is σ = 146485584. Its totient is φ = 37202304.

The previous prime is 85643213. The next prime is 85643267. The reversal of 85643246 is 64234658.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96440 + ... + 97323.

It is an arithmetic number, because the mean of its divisors is an integer number (9155349).

Almost surely, 2^85643246 is an apocalyptic number.

85643246 is a deficient number, since it is larger than the sum of its proper divisors (60842338).

85643246 is a wasteful number, since it uses less digits than its factorization.

85643246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193795.

The product of its digits is 138240, while the sum is 38.

The square root of 85643246 is about 9254.3636193960. The cubic root of 85643246 is about 440.7892960808.

The spelling of 85643246 in words is "eighty-five million, six hundred forty-three thousand, two hundred forty-six".