85946993 has 4 divisors (see below), whose sum is σ = 93760368. Its totient is φ = 78133620.

The previous prime is 85946989. The next prime is 85946999. The reversal of 85946993 is 39964958.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85946993 - 2² = 85946989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85946999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3906671 + ... + 3906692.

It is an arithmetic number, because the mean of its divisors is an integer number (23440092).

Almost surely, 2^85946993 is an apocalyptic number.

It is an amenable number.

85946993 is a deficient number, since it is larger than the sum of its proper divisors (7813375).

85946993 is a wasteful number, since it uses less digits than its factorization.

85946993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7813374.

The product of its digits is 2099520, while the sum is 53.

The square root of 85946993 is about 9270.7601090741. The cubic root of 85946993 is about 441.3097903341.

The spelling of 85946993 in words is "eighty-five million, nine hundred forty-six thousand, nine hundred ninety-three".