16340387 has 8 divisors (see below), whose sum is σ = 19109376. Its totient is φ = 13680072.

The previous prime is 16340381. The next prime is 16340407. The reversal of 16340387 is 78304361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16340387 - 2⁴ = 16340371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16340381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26843 + ... + 27444.

It is an arithmetic number, because the mean of its divisors is an integer number (2388672).

Almost surely, 2^16340387 is an apocalyptic number.

16340387 is a deficient number, since it is larger than the sum of its proper divisors (2768989).

16340387 is an equidigital number, since it uses as much as digits as its factorization.

16340387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54337.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 16340387 is about 4042.3244550630. The cubic root of 16340387 is about 253.7586056761.

The spelling of 16340387 in words is "sixteen million, three hundred forty thousand, three hundred eighty-seven".