85604493 has 24 divisors (see below), whose sum is σ = 125446944. Its totient is φ = 51606720.

The previous prime is 85604489. The next prime is 85604501. The reversal of 85604493 is 39440658.

It is not a de Polignac number, because 85604493 - 2² = 85604489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85604483) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 472863 + ... + 473043.

It is an arithmetic number, because the mean of its divisors is an integer number (5226956).

Almost surely, 2^85604493 is an apocalyptic number.

It is an amenable number.

85604493 is a deficient number, since it is larger than the sum of its proper divisors (39842451).

85604493 is a wasteful number, since it uses less digits than its factorization.

85604493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 85604493 is about 9252.2696134516. The cubic root of 85604493 is about 440.7228013073.

The spelling of 85604493 in words is "eighty-five million, six hundred four thousand, four hundred ninety-three".