16453894 has 4 divisors (see below), whose sum is σ = 24680844. Its totient is φ = 8226946.

The previous prime is 16453889. The next prime is 16453939. The reversal of 16453894 is 49835461.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4113472 + ... + 4113475.

It is an arithmetic number, because the mean of its divisors is an integer number (6170211).

Almost surely, 2^16453894 is an apocalyptic number.

16453894 is a deficient number, since it is larger than the sum of its proper divisors (8226950).

16453894 is an equidigital number, since it uses as much as digits as its factorization.

16453894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8226949.

The product of its digits is 103680, while the sum is 40.

The square root of 16453894 is about 4056.3399758896. The cubic root of 16453894 is about 254.3448206967.

The spelling of 16453894 in words is "sixteen million, four hundred fifty-three thousand, eight hundred ninety-four".