99996961 has 4 divisors (see below), whose sum is σ = 100322992. Its totient is φ = 99670932.

The previous prime is 99996947. The next prime is 99996971. The reversal of 99996961 is 16969999.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16969999 = 1129 ⋅15031.

It is a cyclic number.

It is not a de Polignac number, because 99996961 - 2⁷ = 99996833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99996896 and 99996905.

It is not an unprimeable number, because it can be changed into a prime (99996931) 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, 162555 + ... + 163168.

It is an arithmetic number, because the mean of its divisors is an integer number (25080748).

Almost surely, 2^99996961 is an apocalyptic number.

It is an amenable number.

99996961 is a deficient number, since it is larger than the sum of its proper divisors (326031).

99996961 is a wasteful number, since it uses less digits than its factorization.

99996961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326030.

The product of its digits is 2125764, while the sum is 58.

The square root of 99996961 is about 9999.8480488455. The cubic root of 99996961 is about 464.1541813842.

The spelling of 99996961 in words is "ninety-nine million, nine hundred ninety-six thousand, nine hundred sixty-one".