340880 has 20 divisors (see below), whose sum is σ = 792732. Its totient is φ = 136320.

The previous prime is 340877. The next prime is 340889. The reversal of 340880 is 88043.

It can be written as a sum of positive squares in 2 ways, for example, as 246016 + 94864 = 496^2 + 308^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (340889) 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, 2051 + ... + 2210.

2³⁴⁰⁸⁸⁰ is an apocalyptic number.

It is an amenable number.

340880 is an abundant number, since it is smaller than the sum of its proper divisors (451852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340880 is a wasteful number, since it uses less digits than its factorization.

340880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4274 (or 4268 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 340880 is about 583.8492956235. The cubic root of 340880 is about 69.8554841636.

The spelling of 340880 in words is "three hundred forty thousand, eight hundred eighty".