16406339 has 4 divisors (see below), whose sum is σ = 16568880. Its totient is φ = 16243800.

The previous prime is 16406323. The next prime is 16406363. The reversal of 16406339 is 93360461.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93360461 = 101 ⋅924361.

It is a cyclic number.

It is not a de Polignac number, because 16406339 - 2⁴ = 16406323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16406389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81119 + ... + 81320.

It is an arithmetic number, because the mean of its divisors is an integer number (4142220).

Almost surely, 2^16406339 is an apocalyptic number.

16406339 is a deficient number, since it is larger than the sum of its proper divisors (162541).

16406339 is a wasteful number, since it uses less digits than its factorization.

16406339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162540.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 16406339 is about 4050.4739228885. The cubic root of 16406339 is about 254.0995486786.

The spelling of 16406339 in words is "sixteen million, four hundred six thousand, three hundred thirty-nine".