99441637 has 4 divisors (see below), whose sum is σ = 99473056. Its totient is φ = 99410220.

The previous prime is 99441631. The next prime is 99441679. The reversal of 99441637 is 73614499.

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 a cyclic number.

It is not a de Polignac number, because 99441637 - 2⁷ = 99441509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99441593 and 99441602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99441631) 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, 10353 + ... + 17494.

It is an arithmetic number, because the mean of its divisors is an integer number (24868264).

Almost surely, 2^99441637 is an apocalyptic number.

It is an amenable number.

99441637 is a deficient number, since it is larger than the sum of its proper divisors (31419).

99441637 is a wasteful number, since it uses less digits than its factorization.

99441637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31418.

The product of its digits is 163296, while the sum is 43.

The square root of 99441637 is about 9972.0427696636. The cubic root of 99441637 is about 463.2933733056.

The spelling of 99441637 in words is "ninety-nine million, four hundred forty-one thousand, six hundred thirty-seven".