85873420 has 24 divisors (see below), whose sum is σ = 181276704. Its totient is φ = 34169856.

The previous prime is 85873391. The next prime is 85873423. The reversal of 85873420 is 2437858.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 85873420.

It is not an unprimeable number, because it can be changed into a prime (85873423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7264 + ... + 14983.

It is an arithmetic number, because the mean of its divisors is an integer number (7553196).

Almost surely, 2^85873420 is an apocalyptic number.

It is an amenable number.

85873420 is an abundant number, since it is smaller than the sum of its proper divisors (95403284).

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

85873420 is a wasteful number, since it uses less digits than its factorization.

85873420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22449 (or 22447 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 85873420 is about 9266.7912461650. The cubic root of 85873420 is about 441.1838299287.

The spelling of 85873420 in words is "eighty-five million, eight hundred seventy-three thousand, four hundred twenty".