99205401 has 4 divisors (see below), whose sum is σ = 132273872. Its totient is φ = 66136932.

The previous prime is 99205397. The next prime is 99205427. The reversal of 99205401 is 10450299.

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: 10450299 = 3 ⋅3483433.

It is not a de Polignac number, because 99205401 - 2² = 99205397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99205451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16534231 + ... + 16534236.

It is an arithmetic number, because the mean of its divisors is an integer number (33068468).

Almost surely, 2^99205401 is an apocalyptic number.

It is an amenable number.

99205401 is a deficient number, since it is larger than the sum of its proper divisors (33068471).

99205401 is a wasteful number, since it uses less digits than its factorization.

99205401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33068470.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 99205401 is about 9960.1908114253. The cubic root of 99205401 is about 462.9262120266.

The spelling of 99205401 in words is "ninety-nine million, two hundred five thousand, four hundred one".