94821666 has 16 divisors (see below), whose sum is σ = 199624800. Its totient is φ = 29943648.

The previous prime is 94821659. The next prime is 94821667. The reversal of 94821666 is 66612849.

It is a super-2 number, since 2×94821666² = 17982296686031112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (94821667) 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, 415771 + ... + 415998.

It is an arithmetic number, because the mean of its divisors is an integer number (12476550).

Almost surely, 2^94821666 is an apocalyptic number.

94821666 is an abundant number, since it is smaller than the sum of its proper divisors (104803134).

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

94821666 is a wasteful number, since it uses less digits than its factorization.

94821666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831793.

The product of its digits is 124416, while the sum is 42.

The square root of 94821666 is about 9737.6417062860. The cubic root of 94821666 is about 456.0045686677.

The spelling of 94821666 in words is "ninety-four million, eight hundred twenty-one thousand, six hundred sixty-six".