16287340 has 12 divisors (see below), whose sum is σ = 34203456. Its totient is φ = 6514928.

The previous prime is 16287319. The next prime is 16287353. The reversal of 16287340 is 4378261.

16287340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407164 + ... + 407203.

It is an arithmetic number, because the mean of its divisors is an integer number (2850288).

Almost surely, 2^16287340 is an apocalyptic number.

16287340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16287340 is an abundant number, since it is smaller than the sum of its proper divisors (17916116).

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

16287340 is a wasteful number, since it uses less digits than its factorization.

16287340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814376 (or 814374 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 16287340 is about 4035.7576735974. The cubic root of 16287340 is about 253.4837095816.

The spelling of 16287340 in words is "sixteen million, two hundred eighty-seven thousand, three hundred forty".