340872 has 32 divisors (see below), whose sum is σ = 974400. Its totient is φ = 97344.

The previous prime is 340859. The next prime is 340877. The reversal of 340872 is 278043.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (340877) 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, 847 + ... + 1182.

It is an arithmetic number, because the mean of its divisors is an integer number (30450).

2³⁴⁰⁸⁷² is an apocalyptic number.

It is an amenable number.

340872 is an abundant number, since it is smaller than the sum of its proper divisors (633528).

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

340872 is a wasteful number, since it uses less digits than its factorization.

340872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045 (or 2041 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 340872 is about 583.8424445002. The cubic root of 340872 is about 69.8549376875.

The spelling of 340872 in words is "three hundred forty thousand, eight hundred seventy-two".