16955438 has 16 divisors (see below), whose sum is σ = 26409024. Its totient is φ = 8158560.

The previous prime is 16955437. The next prime is 16955453. The reversal of 16955438 is 83455961.

It is a junction number, because it is equal to n+sod(n) for n = 16955395 and 16955404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16955431) 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, 4256 + ... + 7212.

It is an arithmetic number, because the mean of its divisors is an integer number (1650564).

Almost surely, 2^16955438 is an apocalyptic number.

16955438 is a deficient number, since it is larger than the sum of its proper divisors (9453586).

16955438 is a wasteful number, since it uses less digits than its factorization.

16955438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3067.

The product of its digits is 129600, while the sum is 41.

The square root of 16955438 is about 4117.6981433806. The cubic root of 16955438 is about 256.9032929609.

The spelling of 16955438 in words is "sixteen million, nine hundred fifty-five thousand, four hundred thirty-eight".