340807 has 8 divisors (see below), whose sum is σ = 358112. Its totient is φ = 324000.

The previous prime is 340801. The next prime is 340811. The reversal of 340807 is 708043.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340807 is a prime.

It is a super-2 number, since 2×340807² = 232298822498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340801) 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, 2182 + ... + 2332.

It is an arithmetic number, because the mean of its divisors is an integer number (44764).

2³⁴⁰⁸⁰⁷ is an apocalyptic number.

340807 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

340807 is a deficient number, since it is larger than the sum of its proper divisors (17305).

340807 is a wasteful number, since it uses less digits than its factorization.

340807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 340807 is about 583.7867761435. The cubic root of 340807 is about 69.8504972528.

Subtracting 340807 from its reverse (708043), we obtain a square (367236 = 606²).

The spelling of 340807 in words is "three hundred forty thousand, eight hundred seven".