99623338 has 4 divisors (see below), whose sum is σ = 149435010. Its totient is φ = 49811668.

The previous prime is 99623311. The next prime is 99623347. The reversal of 99623338 is 83332699.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 85433049 + 14190289 = 9243^2 + 3767^2 .

It is a junction number, because it is equal to n+sod(n) for n = 99623294 and 99623303.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24905833 + ... + 24905836.

Almost surely, 2^99623338 is an apocalyptic number.

99623338 is a deficient number, since it is larger than the sum of its proper divisors (49811672).

99623338 is a wasteful number, since it uses less digits than its factorization.

99623338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49811671.

The product of its digits is 209952, while the sum is 43.

The square root of 99623338 is about 9981.1491322392. The cubic root of 99623338 is about 463.5753800908.

The spelling of 99623338 in words is "ninety-nine million, six hundred twenty-three thousand, three hundred thirty-eight".