18334497 has 4 divisors (see below), whose sum is σ = 24446000. Its totient is φ = 12222996.

The previous prime is 18334453. The next prime is 18334531. The reversal of 18334497 is 79443381.

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 not a de Polignac number, because 18334497 - 2¹² = 18330401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18334417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3055747 + ... + 3055752.

It is an arithmetic number, because the mean of its divisors is an integer number (6111500).

Almost surely, 2^18334497 is an apocalyptic number.

It is an amenable number.

18334497 is a deficient number, since it is larger than the sum of its proper divisors (6111503).

18334497 is an equidigital number, since it uses as much as digits as its factorization.

18334497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6111502.

The product of its digits is 72576, while the sum is 39.

The square root of 18334497 is about 4281.8800777229. The cubic root of 18334497 is about 263.6875752026.

The spelling of 18334497 in words is "eighteen million, three hundred thirty-four thousand, four hundred ninety-seven".