16949432 has 16 divisors (see below), whose sum is σ = 32216640. Its totient is φ = 8358336.

The previous prime is 16949431. The next prime is 16949437. The reversal of 16949432 is 23494961.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16949431) 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, 13928 + ... + 15095.

It is an arithmetic number, because the mean of its divisors is an integer number (2013540).

Almost surely, 2^16949432 is an apocalyptic number.

It is an amenable number.

16949432 is a deficient number, since it is larger than the sum of its proper divisors (15267208).

16949432 is a wasteful number, since it uses less digits than its factorization.

16949432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29102 (or 29098 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 16949432 is about 4116.9687878341. The cubic root of 16949432 is about 256.8729557244.

The spelling of 16949432 in words is "sixteen million, nine hundred forty-nine thousand, four hundred thirty-two".