16243893 has 12 divisors (see below), whose sum is σ = 23569728. Its totient is φ = 10780200.

The previous prime is 16243889. The next prime is 16243897. The reversal of 16243893 is 39834261.

It is an interprime number because it is at equal distance from previous prime (16243889) and next prime (16243897).

It is not a de Polignac number, because 16243893 - 2² = 16243889 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16243897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1933 + ... + 6018.

It is an arithmetic number, because the mean of its divisors is an integer number (1964144).

Almost surely, 2^16243893 is an apocalyptic number.

It is an amenable number.

16243893 is a deficient number, since it is larger than the sum of its proper divisors (7325835).

16243893 is a wasteful number, since it uses less digits than its factorization.

16243893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8184 (or 8181 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 16243893 is about 4030.3713228436. The cubic root of 16243893 is about 253.2581169051.

The spelling of 16243893 in words is "sixteen million, two hundred forty-three thousand, eight hundred ninety-three".