99243401 has 8 divisors (see below), whose sum is σ = 102776904. Its totient is φ = 95771520.

The previous prime is 99243383. The next prime is 99243407. The reversal of 99243401 is 10434299.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 141376 + 99102025 = 376^2 + 9955^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99243401 - 2⁶ = 99243337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99243407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12116 + ... + 18581.

It is an arithmetic number, because the mean of its divisors is an integer number (12847113).

Almost surely, 2^99243401 is an apocalyptic number.

It is an amenable number.

99243401 is a deficient number, since it is larger than the sum of its proper divisors (3533503).

99243401 is a wasteful number, since it uses less digits than its factorization.

99243401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30811.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 99243401 is about 9962.0982227641. The cubic root of 99243401 is about 462.9853114650.

The spelling of 99243401 in words is "ninety-nine million, two hundred forty-three thousand, four hundred one".