99943803 has 12 divisors (see below), whose sum is σ = 146730688. Its totient is φ = 65536560.

The previous prime is 99943801. The next prime is 99943841. The reversal of 99943803 is 30834999.

It is not a de Polignac number, because 99943803 - 2¹ = 99943801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99943801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90475 + ... + 91572.

Almost surely, 2^99943803 is an apocalyptic number.

99943803 is a deficient number, since it is larger than the sum of its proper divisors (46786885).

99943803 is a wasteful number, since it uses less digits than its factorization.

99943803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182114 (or 182111 counting only the distinct ones).

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

The square root of 99943803 is about 9997.1897551262. The cubic root of 99943803 is about 464.0719192796.

The spelling of 99943803 in words is "ninety-nine million, nine hundred forty-three thousand, eight hundred three".