99203961 has 4 divisors (see below), whose sum is σ = 132271952. Its totient is φ = 66135972.

The previous prime is 99203941. The next prime is 99203963. The reversal of 99203961 is 16930299.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 99203961 - 2¹⁰ = 99202937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99203963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16533991 + ... + 16533996.

It is an arithmetic number, because the mean of its divisors is an integer number (33067988).

Almost surely, 2^99203961 is an apocalyptic number.

It is an amenable number.

99203961 is a deficient number, since it is larger than the sum of its proper divisors (33067991).

99203961 is a wasteful number, since it uses less digits than its factorization.

99203961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33067990.

The product of its (nonzero) digits is 26244, while the sum is 39.

The square root of 99203961 is about 9960.1185233912. The cubic root of 99203961 is about 462.9239721721.

The spelling of 99203961 in words is "ninety-nine million, two hundred three thousand, nine hundred sixty-one".