16941893 has 4 divisors (see below), whose sum is σ = 17399820. Its totient is φ = 16483968.

The previous prime is 16941833. The next prime is 16941907. The reversal of 16941893 is 39814961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39814961 = 131 ⋅303931.

It can be written as a sum of positive squares in 2 ways, for example, as 7219969 + 9721924 = 2687^2 + 3118^2 .

It is a cyclic number.

It is not a de Polignac number, because 16941893 - 2⁸ = 16941637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16941893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16941833) 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, 228908 + ... + 228981.

It is an arithmetic number, because the mean of its divisors is an integer number (4349955).

Almost surely, 2^16941893 is an apocalyptic number.

It is an amenable number.

16941893 is a deficient number, since it is larger than the sum of its proper divisors (457927).

16941893 is an equidigital number, since it uses as much as digits as its factorization.

16941893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457926.

The product of its digits is 46656, while the sum is 41.

The square root of 16941893 is about 4116.0530851776. The cubic root of 16941893 is about 256.8348649217.

The spelling of 16941893 in words is "sixteen million, nine hundred forty-one thousand, eight hundred ninety-three".