99994456 has 8 divisors (see below), whose sum is σ = 187489620. Its totient is φ = 49997224.

The previous prime is 99994379. The next prime is 99994471. The reversal of 99994456 is 65449999.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 99994397 and 99994406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6249646 + ... + 6249661.

Almost surely, 2^99994456 is an apocalyptic number.

It is an amenable number.

99994456 is a deficient number, since it is larger than the sum of its proper divisors (87495164).

99994456 is a wasteful number, since it uses less digits than its factorization.

99994456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12499313 (or 12499309 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 55.

The square root of 99994456 is about 9999.7227961579. The cubic root of 99994456 is about 464.1503055466.

It can be divided in two parts, 999944 and 56, that added together give a 6-th power (1000000 = 10⁶).

The spelling of 99994456 in words is "ninety-nine million, nine hundred ninety-four thousand, four hundred fifty-six".