16244290 has 8 divisors (see below), whose sum is σ = 29239740. Its totient is φ = 6497712.

The previous prime is 16244287. The next prime is 16244309. The reversal of 16244290 is 9244261.

It can be written as a sum of positive squares in 2 ways, for example, as 16232841 + 11449 = 4029^2 + 107^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812205 + ... + 812224.

Almost surely, 2^16244290 is an apocalyptic number.

16244290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16244290 is a deficient number, since it is larger than the sum of its proper divisors (12995450).

16244290 is a wasteful number, since it uses less digits than its factorization.

16244290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624436.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 16244290 is about 4030.4205735878. The cubic root of 16244290 is about 253.2601800939.

The spelling of 16244290 in words is "sixteen million, two hundred forty-four thousand, two hundred ninety".