16897738 has 16 divisors (see below), whose sum is σ = 29778336. Its totient is φ = 7089840.

The previous prime is 16897703. The next prime is 16897747. The reversal of 16897738 is 83779861.

It is a junction number, because it is equal to n+sod(n) for n = 16897691 and 16897700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29256 + ... + 29827.

It is an arithmetic number, because the mean of its divisors is an integer number (1861146).

Almost surely, 2^16897738 is an apocalyptic number.

16897738 is a deficient number, since it is larger than the sum of its proper divisors (12880598).

16897738 is a wasteful number, since it uses less digits than its factorization.

16897738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59109.

The product of its digits is 508032, while the sum is 49.

The square root of 16897738 is about 4110.6858308560. The cubic root of 16897738 is about 256.6115445429.

The spelling of 16897738 in words is "sixteen million, eight hundred ninety-seven thousand, seven hundred thirty-eight".