16253984 has 12 divisors (see below), whose sum is σ = 32000094. Its totient is φ = 8126976.

The previous prime is 16253983. The next prime is 16254001. The reversal of 16253984 is 48935261.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10627600 + 5626384 = 3260^2 + 2372^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16253983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253937 + ... + 254000.

Almost surely, 2^16253984 is an apocalyptic number.

It is an amenable number.

16253984 is a deficient number, since it is larger than the sum of its proper divisors (15746110).

16253984 is an equidigital number, since it uses as much as digits as its factorization.

16253984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507947 (or 507939 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 16253984 is about 4031.6229982477. The cubic root of 16253984 is about 253.3105488896.

The spelling of 16253984 in words is "sixteen million, two hundred fifty-three thousand, nine hundred eighty-four".