16344939 has 32 divisors (see below), whose sum is σ = 25220160. Its totient is φ = 9326592.

The previous prime is 16344929. The next prime is 16344953. The reversal of 16344939 is 93944361.

It is not a de Polignac number, because 16344939 - 2⁸ = 16344683 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 16344897 and 16344906.

It is not an unprimeable number, because it can be changed into a prime (16344929) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58869 + ... + 59145.

It is an arithmetic number, because the mean of its divisors is an integer number (788130).

Almost surely, 2^16344939 is an apocalyptic number.

16344939 is a deficient number, since it is larger than the sum of its proper divisors (8875221).

16344939 is a wasteful number, since it uses less digits than its factorization.

16344939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399.

The product of its digits is 69984, while the sum is 39.

The square root of 16344939 is about 4042.8874582407. The cubic root of 16344939 is about 253.7821669689.

The spelling of 16344939 in words is "sixteen million, three hundred forty-four thousand, nine hundred thirty-nine".