16429793 has 4 divisors (see below), whose sum is σ = 16481940. Its totient is φ = 16377648.

The previous prime is 16429759. The next prime is 16429811. The reversal of 16429793 is 39792461.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2798929 + 13630864 = 1673^2 + 3692^2 .

It is a cyclic number.

It is not a de Polignac number, because 16429793 - 2⁶ = 16429729 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 16429793.

It is not an unprimeable number, because it can be changed into a prime (16429703) 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, 25598 + ... + 26231.

It is an arithmetic number, because the mean of its divisors is an integer number (4120485).

Almost surely, 2^16429793 is an apocalyptic number.

It is an amenable number.

16429793 is a deficient number, since it is larger than the sum of its proper divisors (52147).

16429793 is an equidigital number, since it uses as much as digits as its factorization.

16429793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52146.

The product of its digits is 81648, while the sum is 41.

The square root of 16429793 is about 4053.3681056623. The cubic root of 16429793 is about 254.2205753370.

The spelling of 16429793 in words is "sixteen million, four hundred twenty-nine thousand, seven hundred ninety-three".