16424497 has 4 divisors (see below), whose sum is σ = 16485376. Its totient is φ = 16363620.

The previous prime is 16424491. The next prime is 16424509. The reversal of 16424497 is 79442461.

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 16424497 - 2²³ = 8035889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16424491) 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, 30033 + ... + 30574.

It is an arithmetic number, because the mean of its divisors is an integer number (4121344).

Almost surely, 2^16424497 is an apocalyptic number.

It is an amenable number.

16424497 is a deficient number, since it is larger than the sum of its proper divisors (60879).

16424497 is an equidigital number, since it uses as much as digits as its factorization.

16424497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60878.

The product of its digits is 48384, while the sum is 37.

The square root of 16424497 is about 4052.7147691393. The cubic root of 16424497 is about 254.1932571422.

The spelling of 16424497 in words is "sixteen million, four hundred twenty-four thousand, four hundred ninety-seven".