85814604 has 18 divisors (see below), whose sum is σ = 216920340. Its totient is φ = 28604856.

The previous prime is 85814593. The next prime is 85814669. The reversal of 85814604 is 40641858.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2383739 = 85814604 / (8 + 5 + 8 + 1 + 4 + 6 + 0 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1191834 + ... + 1191905.

It is an arithmetic number, because the mean of its divisors is an integer number (12051130).

Almost surely, 2^85814604 is an apocalyptic number.

It is an amenable number.

85814604 is an abundant number, since it is smaller than the sum of its proper divisors (131105736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85814604 is a wasteful number, since it uses less digits than its factorization.

85814604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383749 (or 2383744 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 85814604 is about 9263.6172200712. The cubic root of 85814604 is about 441.0830824385.

The spelling of 85814604 in words is "eighty-five million, eight hundred fourteen thousand, six hundred four".