340003687 has 8 divisors (see below), whose sum is σ = 362336256. Its totient is φ = 318300312.

The previous prime is 340003669. The next prime is 340003711. The reversal of 340003687 is 786300043.

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

It is not a de Polignac number, because 340003687 - 2¹⁵ = 339970919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340003667) 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, 156183 + ... + 158344.

It is an arithmetic number, because the mean of its divisors is an integer number (45292032).

Almost surely, 2^340003687 is an apocalyptic number.

340003687 is a deficient number, since it is larger than the sum of its proper divisors (22332569).

340003687 is a wasteful number, since it uses less digits than its factorization.

340003687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314597.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 340003687 is about 18439.1888921395. The cubic root of 340003687 is about 697.9557275773.

The spelling of 340003687 in words is "three hundred forty million, three thousand, six hundred eighty-seven".