16390412 has 6 divisors (see below), whose sum is σ = 28683228. Its totient is φ = 8195204.

The previous prime is 16390403. The next prime is 16390417. The reversal of 16390412 is 21409361.

It is not an unprimeable number, because it can be changed into a prime (16390417) 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 as a sum of consecutive naturals, namely, 2048798 + ... + 2048805.

It is an arithmetic number, because the mean of its divisors is an integer number (4780538).

Almost surely, 2^16390412 is an apocalyptic number.

It is an amenable number.

16390412 is a deficient number, since it is larger than the sum of its proper divisors (12292816).

16390412 is a wasteful number, since it uses less digits than its factorization.

16390412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4097607 (or 4097605 counting only the distinct ones).

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

The square root of 16390412 is about 4048.5073792696. The cubic root of 16390412 is about 254.0172968567.

Adding to 16390412 its reverse (21409361), we get a palindrome (37799773).

The spelling of 16390412 in words is "sixteen million, three hundred ninety thousand, four hundred twelve".