16338949 has 8 divisors (see below), whose sum is σ = 17865792. Its totient is φ = 14819040.

The previous prime is 16338899. The next prime is 16338967. The reversal of 16338949 is 94983361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16338949 - 2⁹ = 16338437 is a prime.

It is a super-2 number, since 2×16338949² = 533922508849202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16338979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4057 + ... + 7009.

It is an arithmetic number, because the mean of its divisors is an integer number (2233224).

Almost surely, 2^16338949 is an apocalyptic number.

It is an amenable number.

16338949 is a deficient number, since it is larger than the sum of its proper divisors (1526843).

16338949 is a wasteful number, since it uses less digits than its factorization.

16338949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3467.

The product of its digits is 139968, while the sum is 43.

The square root of 16338949 is about 4042.1465831907. The cubic root of 16338949 is about 253.7511616341.

The spelling of 16338949 in words is "sixteen million, three hundred thirty-eight thousand, nine hundred forty-nine".