16390430 has 16 divisors (see below), whose sum is σ = 33717600. Its totient is φ = 5619552.

The previous prime is 16390427. The next prime is 16390433. The reversal of 16390430 is 3409361.

It is an interprime number because it is at equal distance from previous prime (16390427) and next prime (16390433).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16390430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16390433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117005 + ... + 117144.

It is an arithmetic number, because the mean of its divisors is an integer number (2107350).

Almost surely, 2^16390430 is an apocalyptic number.

16390430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16390430 is an abundant number, since it is smaller than the sum of its proper divisors (17327170).

16390430 is a wasteful number, since it uses less digits than its factorization.

16390430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234163.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 16390430 is about 4048.5096023105. The cubic root of 16390430 is about 254.0173898442.

Adding to 16390430 its reverse (3409361), we get a palindrome (19799791).

The spelling of 16390430 in words is "sixteen million, three hundred ninety thousand, four hundred thirty".