16264393 has 8 divisors (see below), whose sum is σ = 17339400. Its totient is φ = 15202560.

The previous prime is 16264387. The next prime is 16264403. The reversal of 16264393 is 39346261.

It is a happy number.

16264393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 685584 + 15578809 = 828^2 + 3947^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 16264393 - 2¹⁷ = 16133321 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (16264343) 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, 678 + ... + 5743.

It is an arithmetic number, because the mean of its divisors is an integer number (2167425).

Almost surely, 2^16264393 is an apocalyptic number.

It is an amenable number.

16264393 is a deficient number, since it is larger than the sum of its proper divisors (1075007).

16264393 is a wasteful number, since it uses less digits than its factorization.

16264393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6587.

The product of its digits is 23328, while the sum is 34.

The square root of 16264393 is about 4032.9137109539. The cubic root of 16264393 is about 253.3646104427.

The spelling of 16264393 in words is "sixteen million, two hundred sixty-four thousand, three hundred ninety-three".