16240887 has 24 divisors (see below), whose sum is σ = 25485824. Its totient is φ = 9906624.

The previous prime is 16240883. The next prime is 16240907. The reversal of 16240887 is 78804261.

It is not a de Polignac number, because 16240887 - 2² = 16240883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16240883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14313 + ... + 15405.

Almost surely, 2^16240887 is an apocalyptic number.

16240887 is a deficient number, since it is larger than the sum of its proper divisors (9244937).

16240887 is a wasteful number, since it uses less digits than its factorization.

16240887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239 (or 1236 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 16240887 is about 4029.9983870965. The cubic root of 16240887 is about 253.2424937852.

The spelling of 16240887 in words is "sixteen million, two hundred forty thousand, eight hundred eighty-seven".