16231349 has 8 divisors (see below), whose sum is σ = 16449048. Its totient is φ = 16015360.

The previous prime is 16231337. The next prime is 16231357. The reversal of 16231349 is 94313261.

It can be written as a sum of positive squares in 4 ways, for example, as 6340324 + 9891025 = 2518^2 + 3145^2 .

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 16231349 - 2⁴ = 16231333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16231849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34979 + ... + 35439.

It is an arithmetic number, because the mean of its divisors is an integer number (2056131).

Almost surely, 2^16231349 is an apocalyptic number.

It is an amenable number.

16231349 is a deficient number, since it is larger than the sum of its proper divisors (217699).

16231349 is a wasteful number, since it uses less digits than its factorization.

16231349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855.

The product of its digits is 3888, while the sum is 29.

The square root of 16231349 is about 4028.8148381379. The cubic root of 16231349 is about 253.1929090569.

The spelling of 16231349 in words is "sixteen million, two hundred thirty-one thousand, three hundred forty-nine".