99214439 has 4 divisors (see below), whose sum is σ = 99440880. Its totient is φ = 98988000.

The previous prime is 99214403. The next prime is 99214457. The reversal of 99214439 is 93441299.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99214439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99214396 and 99214405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99214469) 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, 112562 + ... + 113439.

It is an arithmetic number, because the mean of its divisors is an integer number (24860220).

Almost surely, 2^99214439 is an apocalyptic number.

99214439 is a deficient number, since it is larger than the sum of its proper divisors (226441).

99214439 is a wasteful number, since it uses less digits than its factorization.

99214439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226440.

The product of its digits is 69984, while the sum is 41.

The square root of 99214439 is about 9960.6445072596. The cubic root of 99214439 is about 462.9402697291.

The spelling of 99214439 in words is "ninety-nine million, two hundred fourteen thousand, four hundred thirty-nine".