16933397 has 8 divisors (see below), whose sum is σ = 18369120. Its totient is φ = 15516720.

The previous prime is 16933393. The next prime is 16933421. The reversal of 16933397 is 79333961.

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

It is a cyclic number.

It is not a de Polignac number, because 16933397 - 2² = 16933393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16933391) 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, 2879 + ... + 6492.

It is an arithmetic number, because the mean of its divisors is an integer number (2296140).

Almost surely, 2^16933397 is an apocalyptic number.

It is an amenable number.

16933397 is a deficient number, since it is larger than the sum of its proper divisors (1435723).

16933397 is a wasteful number, since it uses less digits than its factorization.

16933397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9523.

The product of its digits is 91854, while the sum is 41.

The square root of 16933397 is about 4115.0208990964. The cubic root of 16933397 is about 256.7919253307.

The spelling of 16933397 in words is "sixteen million, nine hundred thirty-three thousand, three hundred ninety-seven".