343907 has 4 divisors (see below), whose sum is σ = 345576. Its totient is φ = 342240.

The previous prime is 343901. The next prime is 343913. The reversal of 343907 is 709343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 709343 = 23 ⋅30841.

It is an interprime number because it is at equal distance from previous prime (343901) and next prime (343913).

It is a cyclic number.

It is not a de Polignac number, because 343907 - 2⁴ = 343891 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 343907.

It is not an unprimeable number, because it can be changed into a prime (343901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473 + ... + 954.

It is an arithmetic number, because the mean of its divisors is an integer number (86394).

2³⁴³⁹⁰⁷ is an apocalyptic number.

343907 is a deficient number, since it is larger than the sum of its proper divisors (1669).

343907 is a wasteful number, since it uses less digits than its factorization.

343907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 343907 is about 586.4358447435. The cubic root of 343907 is about 70.0616463747.

The spelling of 343907 in words is "three hundred forty-three thousand, nine hundred seven".