16340432 has 20 divisors (see below), whose sum is σ = 31831296. Its totient is φ = 8125920.

The previous prime is 16340411. The next prime is 16340479. The reversal of 16340432 is 23404361.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16340398 and 16340407.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 383 + ... + 5729.

Almost surely, 2^16340432 is an apocalyptic number.

It is an amenable number.

16340432 is a deficient number, since it is larger than the sum of its proper divisors (15490864).

16340432 is a wasteful number, since it uses less digits than its factorization.

16340432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5546 (or 5540 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 16340432 is about 4042.3300211635. The cubic root of 16340432 is about 253.7588386189.

Adding to 16340432 its reverse (23404361), we get a palindrome (39744793).

The spelling of 16340432 in words is "sixteen million, three hundred forty thousand, four hundred thirty-two".