94189988 has 6 divisors (see below), whose sum is σ = 164832486. Its totient is φ = 47094992.

The previous prime is 94189987. The next prime is 94189993. The reversal of 94189988 is 88998149.

It can be written as a sum of positive squares in only one way, i.e., 66227044 + 27962944 = 8138^2 + 5288^2 .

It is not an unprimeable number, because it can be changed into a prime (94189981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11773745 + ... + 11773752.

It is an arithmetic number, because the mean of its divisors is an integer number (27472081).

Almost surely, 2^94189988 is an apocalyptic number.

It is an amenable number.

94189988 is a deficient number, since it is larger than the sum of its proper divisors (70642498).

94189988 is a wasteful number, since it uses less digits than its factorization.

94189988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23547501 (or 23547499 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 56.

The square root of 94189988 is about 9705.1526520710. The cubic root of 94189988 is about 454.9897159854.

The spelling of 94189988 in words is "ninety-four million, one hundred eighty-nine thousand, nine hundred eighty-eight".