16824242 has 4 divisors (see below), whose sum is σ = 25236366. Its totient is φ = 8412120.

The previous prime is 16824239. The next prime is 16824251. The reversal of 16824242 is 24242861.

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., 11621281 + 5202961 = 3409^2 + 2281^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4206059 + ... + 4206062.

Almost surely, 2^16824242 is an apocalyptic number.

16824242 is a deficient number, since it is larger than the sum of its proper divisors (8412124).

16824242 is an equidigital number, since it uses as much as digits as its factorization.

16824242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8412123.

The product of its digits is 6144, while the sum is 29.

The square root of 16824242 is about 4101.7364615489. The cubic root of 16824242 is about 256.2389634747.

The spelling of 16824242 in words is "sixteen million, eight hundred twenty-four thousand, two hundred forty-two".