16209242 has 16 divisors (see below), whose sum is σ = 29250240. Its totient is φ = 6581088.

The previous prime is 16209239. The next prime is 16209269. The reversal of 16209242 is 24290261.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30203 + ... + 30734.

It is an arithmetic number, because the mean of its divisors is an integer number (1828140).

Almost surely, 2^16209242 is an apocalyptic number.

16209242 is a deficient number, since it is larger than the sum of its proper divisors (13040998).

16209242 is a wasteful number, since it uses less digits than its factorization.

16209242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60965.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 16209242 is about 4026.0702924812. The cubic root of 16209242 is about 253.0779077561.

The spelling of 16209242 in words is "sixteen million, two hundred nine thousand, two hundred forty-two".