99994480 has 40 divisors (see below), whose sum is σ = 233279712. Its totient is φ = 39861504.

The previous prime is 99994471. The next prime is 99994481. The reversal of 99994480 is 8449999.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99994481) 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, 23389 + ... + 27331.

Almost surely, 2^99994480 is an apocalyptic number.

It is an amenable number.

99994480 is an abundant number, since it is smaller than the sum of its proper divisors (133285232).

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

99994480 is a wasteful number, since it uses less digits than its factorization.

99994480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4273 (or 4267 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 99994480 is about 9999.7239961911. The cubic root of 99994480 is about 464.1503426807.

The spelling of 99994480 in words is "ninety-nine million, nine hundred ninety-four thousand, four hundred eighty".