85803604 has 6 divisors (see below), whose sum is σ = 150156314. Its totient is φ = 42901800.

The previous prime is 85803583. The next prime is 85803647. The reversal of 85803604 is 40630858.

It can be written as a sum of positive squares in only one way, i.e., 70593604 + 15210000 = 8402^2 + 3900^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 85803604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10725447 + ... + 10725454.

Almost surely, 2^85803604 is an apocalyptic number.

It is an amenable number.

85803604 is a deficient number, since it is larger than the sum of its proper divisors (64352710).

85803604 is a wasteful number, since it uses less digits than its factorization.

85803604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21450905 (or 21450903 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 85803604 is about 9263.0234804841. The cubic root of 85803604 is about 441.0642351367.

The spelling of 85803604 in words is "eighty-five million, eight hundred three thousand, six hundred four".