16933293 has 30 divisors (see below), whose sum is σ = 27413034. Its totient is φ = 10412064.

The previous prime is 16933283. The next prime is 16933327. The reversal of 16933293 is 39233961.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 311364 + 16621929 = 558^2 + 4077^2 .

It is not a de Polignac number, because 16933293 - 2⁴ = 16933277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16933243) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 13071 + ... + 14307.

Almost surely, 2^16933293 is an apocalyptic number.

16933293 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16933293 is a deficient number, since it is larger than the sum of its proper divisors (10479741).

16933293 is a wasteful number, since it uses less digits than its factorization.

16933293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275 (or 1253 counting only the distinct ones).

The product of its digits is 26244, while the sum is 36.

The square root of 16933293 is about 4115.0082624461. The cubic root of 16933293 is about 256.7913996159.

The spelling of 16933293 in words is "sixteen million, nine hundred thirty-three thousand, two hundred ninety-three".