16390214 has 16 divisors (see below), whose sum is σ = 25740288. Its totient is φ = 7812552.

The previous prime is 16390211. The next prime is 16390219. The reversal of 16390214 is 41209361.

It is a super-2 number, since 2×16390214² = 537278229931592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16390211) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 26699 + ... + 27305.

It is an arithmetic number, because the mean of its divisors is an integer number (1608768).

Almost surely, 2^16390214 is an apocalyptic number.

16390214 is a deficient number, since it is larger than the sum of its proper divisors (9350074).

16390214 is a wasteful number, since it uses less digits than its factorization.

16390214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 16390214 is about 4048.4829257390. The cubic root of 16390214 is about 254.0162739898.

Adding to 16390214 its reverse (41209361), we get a palindrome (57599575).

The spelling of 16390214 in words is "sixteen million, three hundred ninety thousand, two hundred fourteen".