99999454 has 8 divisors (see below), whose sum is σ = 152541720. Its totient is φ = 49152216.

The previous prime is 99999439. The next prime is 99999481. The reversal of 99999454 is 45499999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423609 + ... + 423844.

It is an arithmetic number, because the mean of its divisors is an integer number (19067715).

Almost surely, 2^99999454 is an apocalyptic number.

99999454 is a deficient number, since it is larger than the sum of its proper divisors (52542266).

99999454 is a wasteful number, since it uses less digits than its factorization.

99999454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847514.

The product of its digits is 4723920, while the sum is 58.

The square root of 99999454 is about 9999.9726999627. The cubic root of 99999454 is about 464.1580385906.

The spelling of 99999454 in words is "ninety-nine million, nine hundred ninety-nine thousand, four hundred fifty-four".