99418001 has 4 divisors (see below), whose sum is σ = 102105012. Its totient is φ = 96730992.

The previous prime is 99417979. The next prime is 99418027. The reversal of 99418001 is 10081499.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76387600 + 23030401 = 8740^2 + 4799^2 .

It is a cyclic number.

It is not a de Polignac number, because 99418001 - 2²² = 95223697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99418031) 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, 1343450 + ... + 1343523.

It is an arithmetic number, because the mean of its divisors is an integer number (25526253).

Almost surely, 2^99418001 is an apocalyptic number.

It is an amenable number.

99418001 is a deficient number, since it is larger than the sum of its proper divisors (2687011).

99418001 is a wasteful number, since it uses less digits than its factorization.

99418001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687010.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 99418001 is about 9970.8575859853. The cubic root of 99418001 is about 463.2566641021.

The spelling of 99418001 in words is "ninety-nine million, four hundred eighteen thousand, one".