94194640 has 20 divisors (see below), whose sum is σ = 219002724. Its totient is φ = 37677824.

The previous prime is 94194629. The next prime is 94194641. The reversal of 94194640 is 4649149.

It can be written as a sum of positive squares in 2 ways, for example, as 16613776 + 77580864 = 4076^2 + 8808^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 94194640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94194641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588637 + ... + 588796.

Almost surely, 2^94194640 is an apocalyptic number.

It is an amenable number.

94194640 is an abundant number, since it is smaller than the sum of its proper divisors (124808084).

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

94194640 is a wasteful number, since it uses less digits than its factorization.

94194640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177446 (or 1177440 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 94194640 is about 9705.3923156151. The cubic root of 94194640 is about 454.9972064394.

The spelling of 94194640 in words is "ninety-four million, one hundred ninety-four thousand, six hundred forty".