85226940 has 108 divisors (see below), whose sum is σ = 268219224. Its totient is φ = 21904512.

The previous prime is 85226929. The next prime is 85227007. The reversal of 85226940 is 4962258.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 85226895 and 85226904.

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, 151099 + ... + 151661.

Almost surely, 2^85226940 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 85226940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134109612).

85226940 is an abundant number, since it is smaller than the sum of its proper divisors (182992284).

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

85226940 is a wasteful number, since it uses less digits than its factorization.

85226940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 602 counting only the distinct ones).

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

The square root of 85226940 is about 9231.8438028381. The cubic root of 85226940 is about 440.0739200876.

The spelling of 85226940 in words is "eighty-five million, two hundred twenty-six thousand, nine hundred forty".