94147218 has 64 divisors (see below), whose sum is σ = 229392000. Its totient is φ = 28385280.

The previous prime is 94147201. The next prime is 94147231. The reversal of 94147218 is 81274149.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209458 + ... + 209906.

It is an arithmetic number, because the mean of its divisors is an integer number (3584250).

Almost surely, 2^94147218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 94147218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114696000).

94147218 is an abundant number, since it is smaller than the sum of its proper divisors (135244782).

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

94147218 is a wasteful number, since it uses less digits than its factorization.

94147218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824 (or 818 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 94147218 is about 9702.9489331852. The cubic root of 94147218 is about 454.9208379770.

The spelling of 94147218 in words is "ninety-four million, one hundred forty-seven thousand, two hundred eighteen".