16442344 has 16 divisors (see below), whose sum is σ = 30965220. Its totient is φ = 8184960.

The previous prime is 16442341. The next prime is 16442347. The reversal of 16442344 is 44324461.

It is an interprime number because it is at equal distance from previous prime (16442341) and next prime (16442347).

It can be written as a sum of positive squares in 2 ways, for example, as 16305444 + 136900 = 4038^2 + 370^2 .

It is a super-3 number, since 3×16442344³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16442341) 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, 2547 + ... + 6274.

Almost surely, 2^16442344 is an apocalyptic number.

It is an amenable number.

16442344 is a deficient number, since it is larger than the sum of its proper divisors (14522876).

16442344 is a wasteful number, since it uses less digits than its factorization.

16442344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9060 (or 9056 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

The square root of 16442344 is about 4054.9160287237. The cubic root of 16442344 is about 254.2852933425.

The spelling of 16442344 in words is "sixteen million, four hundred forty-two thousand, three hundred forty-four".