94891220 has 48 divisors (see below), whose sum is σ = 206409168. Its totient is φ = 36618240.

The previous prime is 94891213. The next prime is 94891231. The reversal of 94891220 is 2219849.

It can be written as a sum of positive squares in 8 ways, for example, as 12517444 + 82373776 = 3538^2 + 9076^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78944 + ... + 80136.

It is an arithmetic number, because the mean of its divisors is an integer number (4300191).

Almost surely, 2^94891220 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 94891220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103204584).

94891220 is an abundant number, since it is smaller than the sum of its proper divisors (111517948).

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

94891220 is a wasteful number, since it uses less digits than its factorization.

94891220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 94891220 is about 9741.2124502035. The cubic root of 94891220 is about 456.1160382337.

The spelling of 94891220 in words is "ninety-four million, eight hundred ninety-one thousand, two hundred twenty".