85986598 has 4 divisors (see below), whose sum is σ = 128979900. Its totient is φ = 42993298.

The previous prime is 85986587. The next prime is 85986599. The reversal of 85986598 is 89568958.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×85986598² = 14787390071227208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85986599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21496648 + ... + 21496651.

It is an arithmetic number, because the mean of its divisors is an integer number (32244975).

Almost surely, 2^85986598 is an apocalyptic number.

85986598 is a deficient number, since it is larger than the sum of its proper divisors (42993302).

85986598 is a wasteful number, since it uses less digits than its factorization.

85986598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42993301.

The product of its digits is 6220800, while the sum is 58.

The square root of 85986598 is about 9272.8958799288. The cubic root of 85986598 is about 441.3775661792.

The spelling of 85986598 in words is "eighty-five million, nine hundred eighty-six thousand, five hundred ninety-eight".