16297480 has 16 divisors (see below), whose sum is σ = 36669420. Its totient is φ = 6518976.

The previous prime is 16297439. The next prime is 16297481. The reversal of 16297480 is 8479261.

It can be written as a sum of positive squares in 2 ways, for example, as 16208676 + 88804 = 4026^2 + 298^2 .

It is not an unprimeable number, because it can be changed into a prime (16297481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203679 + ... + 203758.

Almost surely, 2^16297480 is an apocalyptic number.

16297480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16297480 is an abundant number, since it is smaller than the sum of its proper divisors (20371940).

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

16297480 is a wasteful number, since it uses less digits than its factorization.

16297480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407448 (or 407444 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 16297480 is about 4037.0137478091. The cubic root of 16297480 is about 253.5363024052.

The spelling of 16297480 in words is "sixteen million, two hundred ninety-seven thousand, four hundred eighty".