94639400 has 24 divisors (see below), whose sum is σ = 220037070. Its totient is φ = 37855680.

The previous prime is 94639381. The next prime is 94639403. The reversal of 94639400 is 493649.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 90288004 + 4351396 = 9502^2 + 2086^2 .

It is not an unprimeable number, because it can be changed into a prime (94639403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 236399 + ... + 236798.

Almost surely, 2^94639400 is an apocalyptic number.

It is an amenable number.

94639400 is an abundant number, since it is smaller than the sum of its proper divisors (125397670).

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

94639400 is a wasteful number, since it uses less digits than its factorization.

94639400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473213 (or 473204 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 94639400 is about 9728.2783677278. The cubic root of 94639400 is about 455.7122042637.

The spelling of 94639400 in words is "ninety-four million, six hundred thirty-nine thousand, four hundred".