99994636 has 12 divisors (see below), whose sum is σ = 199989328. Its totient is φ = 42854832.

The previous prime is 99994633. The next prime is 99994637. The reversal of 99994636 is 63649999.

99994636 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (99994633) 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, 1785591 + ... + 1785646.

Almost surely, 2^99994636 is an apocalyptic number.

It is an amenable number.

99994636 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

99994636 is a wasteful number, since it uses less digits than its factorization.

99994636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571248 (or 3571246 counting only the distinct ones).

The product of its digits is 2834352, while the sum is 55.

The square root of 99994636 is about 9999.7317964033. The cubic root of 99994636 is about 464.1505840520.

It can be divided in two parts, 9999 and 4636, that multiplied together give a palindrome (46355364).

The spelling of 99994636 in words is "ninety-nine million, nine hundred ninety-four thousand, six hundred thirty-six".