16390286 has 8 divisors (see below), whose sum is σ = 26820504. Its totient is φ = 7450120.

The previous prime is 16390247. The next prime is 16390291. The reversal of 16390286 is 68209361.

16390286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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, 372485 + ... + 372528.

It is an arithmetic number, because the mean of its divisors is an integer number (3352563).

Almost surely, 2^16390286 is an apocalyptic number.

16390286 is a deficient number, since it is larger than the sum of its proper divisors (10430218).

16390286 is a wasteful number, since it uses less digits than its factorization.

16390286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745026.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 16390286 is about 4048.4918179490. The cubic root of 16390286 is about 254.0166459424.

The spelling of 16390286 in words is "sixteen million, three hundred ninety thousand, two hundred eighty-six".