340287867 has 6 divisors (see below), whose sum is σ = 491526932. Its totient is φ = 226858572.

The previous prime is 340287847. The next prime is 340287881. The reversal of 340287867 is 768782043.

It is a happy number.

It is not a de Polignac number, because 340287867 - 2¹² = 340283771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340287847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18904873 + ... + 18904890.

Almost surely, 2^340287867 is an apocalyptic number.

340287867 is a deficient number, since it is larger than the sum of its proper divisors (151239065).

340287867 is a wasteful number, since it uses less digits than its factorization.

340287867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37809769 (or 37809766 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 340287867 is about 18446.8931530488. The cubic root of 340287867 is about 698.1501272579.

The spelling of 340287867 in words is "three hundred forty million, two hundred eighty-seven thousand, eight hundred sixty-seven".