16243488 has 36 divisors (see below), whose sum is σ = 46193238. Its totient is φ = 5414400.

The previous prime is 16243471. The next prime is 16243531. The reversal of 16243488 is 88434261.

It can be written as a sum of positive squares in only one way, i.e., 13046544 + 3196944 = 3612^2 + 1788^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×16243488² = 527701804812288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27913 + ... + 28488.

Almost surely, 2^16243488 is an apocalyptic number.

16243488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16243488 is an abundant number, since it is smaller than the sum of its proper divisors (29949750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16243488 is a wasteful number, since it uses less digits than its factorization.

16243488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56417 (or 56406 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 16243488 is about 4030.3210790209. The cubic root of 16243488 is about 253.2560121061.

The spelling of 16243488 in words is "sixteen million, two hundred forty-three thousand, four hundred eighty-eight".