16089938 has 8 divisors (see below), whose sum is σ = 24151932. Its totient is φ = 8039296.

The previous prime is 16089937. The next prime is 16089943. The reversal of 16089938 is 83998061.

16089938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13520329 + 2569609 = 3677^2 + 1603^2 .

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

It is a super-2 number, since 2×16089938² = 517772209687688, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16089937) 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, 4106 + ... + 7002.

Almost surely, 2^16089938 is an apocalyptic number.

16089938 is a deficient number, since it is larger than the sum of its proper divisors (8061994).

16089938 is a wasteful number, since it uses less digits than its factorization.

16089938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5676.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 16089938 is about 4011.2264957242. The cubic root of 16089938 is about 252.4554729836.

The spelling of 16089938 in words is "sixteen million, eighty-nine thousand, nine hundred thirty-eight".