16938398 has 8 divisors (see below), whose sum is σ = 25462080. Its totient is φ = 8451040.

The previous prime is 16938379. The next prime is 16938403. The reversal of 16938398 is 89383961.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7883 + ... + 9798.

It is an arithmetic number, because the mean of its divisors is an integer number (3182760).

Almost surely, 2^16938398 is an apocalyptic number.

16938398 is a deficient number, since it is larger than the sum of its proper divisors (8523682).

16938398 is a wasteful number, since it uses less digits than its factorization.

16938398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18162.

The product of its digits is 279936, while the sum is 47.

The square root of 16938398 is about 4115.6285060729. The cubic root of 16938398 is about 256.8172025982.

The spelling of 16938398 in words is "sixteen million, nine hundred thirty-eight thousand, three hundred ninety-eight".