85469400 has 144 divisors (see below), whose sum is σ = 290450160. Its totient is φ = 22521600.

The previous prime is 85469383. The next prime is 85469411. The reversal of 85469400 is 496458.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 185170 + ... + 185630.

It is an arithmetic number, because the mean of its divisors is an integer number (2017015).

Almost surely, 2^85469400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85469400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145225080).

85469400 is an abundant number, since it is smaller than the sum of its proper divisors (204980760).

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

85469400 is a wasteful number, since it uses less digits than its factorization.

85469400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 85469400 is about 9244.9661978830. The cubic root of 85469400 is about 440.4908434190.

The spelling of 85469400 in words is "eighty-five million, four hundred sixty-nine thousand, four hundred".