343876 has 24 divisors (see below), whose sum is σ = 687960. Its totient is φ = 148992.

The previous prime is 343831. The next prime is 343891. The reversal of 343876 is 678343.

343876 = 108² + 109² + ... + 131².

It can be written as a sum of positive squares in 4 ways, for example, as 14400 + 329476 = 120^2 + 574^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 690 + ... + 1078.

It is an arithmetic number, because the mean of its divisors is an integer number (28665).

2³⁴³⁸⁷⁶ is an apocalyptic number.

It is an amenable number.

343876 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a weird number, because it is abundant, but not a pseudoperfect number.

343876 is a wasteful number, since it uses less digits than its factorization.

343876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 421 counting only the distinct ones).

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

The square root of 343876 is about 586.4094132942. The cubic root of 343876 is about 70.0595411773.

The spelling of 343876 in words is "three hundred forty-three thousand, eight hundred seventy-six".