99563403 has 8 divisors (see below), whose sum is σ = 133519248. Its totient is φ = 65991584.

The previous prime is 99563381. The next prime is 99563423. The reversal of 99563403 is 30436599.

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

It is a cyclic number.

It is not a de Polignac number, because 99563403 - 2⁹ = 99562891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99563423) 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, 95400 + ... + 96437.

It is an arithmetic number, because the mean of its divisors is an integer number (16689906).

Almost surely, 2^99563403 is an apocalyptic number.

99563403 is a deficient number, since it is larger than the sum of its proper divisors (33955845).

99563403 is a wasteful number, since it uses less digits than its factorization.

99563403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192013.

The product of its (nonzero) digits is 87480, while the sum is 39.

The square root of 99563403 is about 9978.1462707258. The cubic root of 99563403 is about 463.4823966438.

The spelling of 99563403 in words is "ninety-nine million, five hundred sixty-three thousand, four hundred three".