99983403 has 20 divisors (see below), whose sum is σ = 160848688. Its totient is φ = 61527600.

The previous prime is 99983381. The next prime is 99983413. The reversal of 99983403 is 30438999.

It is not a de Polignac number, because 99983403 - 2²⁰ = 98934827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99983413) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 46423 + ... + 48528.

Almost surely, 2^99983403 is an apocalyptic number.

99983403 is a deficient number, since it is larger than the sum of its proper divisors (60865285).

99983403 is a wasteful number, since it uses less digits than its factorization.

99983403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94976 (or 94967 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 99983403 is about 9999.1701155646. The cubic root of 99983403 is about 464.1332031239.

The spelling of 99983403 in words is "ninety-nine million, nine hundred eighty-three thousand, four hundred three".