16399833 has 8 divisors (see below), whose sum is σ = 21981696. Its totient is φ = 10875600.

The previous prime is 16399811. The next prime is 16399841. The reversal of 16399833 is 33899361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16399833 - 2¹⁴ = 16383449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16399853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13738 + ... + 14883.

It is an arithmetic number, because the mean of its divisors is an integer number (2747712).

Almost surely, 2^16399833 is an apocalyptic number.

It is an amenable number.

16399833 is a deficient number, since it is larger than the sum of its proper divisors (5581863).

16399833 is a wasteful number, since it uses less digits than its factorization.

16399833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28815.

The product of its digits is 104976, while the sum is 42.

The square root of 16399833 is about 4049.6707273555. The cubic root of 16399833 is about 254.0659561703.

The spelling of 16399833 in words is "sixteen million, three hundred ninety-nine thousand, eight hundred thirty-three".