99409337 has 4 divisors (see below), whose sum is σ = 99430800. Its totient is φ = 99387876.

The previous prime is 99409327. The next prime is 99409369. The reversal of 99409337 is 73390499.

It is a happy number.

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 99409337 - 2¹⁸ = 99147193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99409327) 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, 587 + ... + 14112.

It is an arithmetic number, because the mean of its divisors is an integer number (24857700).

Almost surely, 2^99409337 is an apocalyptic number.

It is an amenable number.

99409337 is a deficient number, since it is larger than the sum of its proper divisors (21463).

99409337 is a wasteful number, since it uses less digits than its factorization.

99409337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21462.

The product of its (nonzero) digits is 183708, while the sum is 44.

The square root of 99409337 is about 9970.4231103800. The cubic root of 99409337 is about 463.2432065381.

The spelling of 99409337 in words is "ninety-nine million, four hundred nine thousand, three hundred thirty-seven".