16306240 has 28 divisors (see below), whose sum is σ = 38829996. Its totient is φ = 6522368.

The previous prime is 16306231. The next prime is 16306249. The reversal of 16306240 is 4260361.

It is an interprime number because it is at equal distance from previous prime (16306231) and next prime (16306249).

It can be written as a sum of positive squares in 2 ways, for example, as 10036224 + 6270016 = 3168^2 + 2504^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16306249) 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, 25159 + ... + 25798.

Almost surely, 2^16306240 is an apocalyptic number.

16306240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16306240 is an abundant number, since it is smaller than the sum of its proper divisors (22523756).

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

16306240 is an equidigital number, since it uses as much as digits as its factorization.

16306240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50974 (or 50964 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 16306240 is about 4038.0985624425. The cubic root of 16306240 is about 253.5817200648.

The spelling of 16306240 in words is "sixteen million, three hundred six thousand, two hundred forty".