16469393 has 4 divisors (see below), whose sum is σ = 16479540. Its totient is φ = 16459248.

The previous prime is 16469381. The next prime is 16469407. The reversal of 16469393 is 39396461.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 39396461 = 13 ⋅3030497.

It can be written as a sum of positive squares in 2 ways, for example, as 15816529 + 652864 = 3977^2 + 808^2 .

It is not a de Polignac number, because 16469393 - 2²⁰ = 15420817 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 16469393.

It is not an unprimeable number, because it can be changed into a prime (16469993) 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, 2030 + ... + 6087.

It is an arithmetic number, because the mean of its divisors is an integer number (4119885).

Almost surely, 2^16469393 is an apocalyptic number.

It is an amenable number.

16469393 is a deficient number, since it is larger than the sum of its proper divisors (10147).

16469393 is an equidigital number, since it uses as much as digits as its factorization.

16469393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10146.

The product of its digits is 104976, while the sum is 41.

The square root of 16469393 is about 4058.2499922996. The cubic root of 16469393 is about 254.4246569805.

The spelling of 16469393 in words is "sixteen million, four hundred sixty-nine thousand, three hundred ninety-three".