16394923 has 4 divisors (see below), whose sum is σ = 16446960. Its totient is φ = 16342888.

The previous prime is 16394921. The next prime is 16394933. The reversal of 16394923 is 32949361.

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

It is a cyclic number.

It is not a de Polignac number, because 16394923 - 2¹ = 16394921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16394921) 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, 25543 + ... + 26176.

It is an arithmetic number, because the mean of its divisors is an integer number (4111740).

Almost surely, 2^16394923 is an apocalyptic number.

16394923 is a deficient number, since it is larger than the sum of its proper divisors (52037).

16394923 is an equidigital number, since it uses as much as digits as its factorization.

16394923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52036.

The product of its digits is 34992, while the sum is 37.

The square root of 16394923 is about 4049.0644598475. The cubic root of 16394923 is about 254.0405984251.

The spelling of 16394923 in words is "sixteen million, three hundred ninety-four thousand, nine hundred twenty-three".