340572 has 24 divisors (see below), whose sum is σ = 805392. Its totient is φ = 112000.

The previous prime is 340559. The next prime is 340573. The reversal of 340572 is 275043.

It is a happy number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 340572.

It is not an unprimeable number, because it can be changed into a prime (340573) by changing a digit.

340572 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1072 + ... + 1352.

It is an arithmetic number, because the mean of its divisors is an integer number (33558).

2³⁴⁰⁵⁷² is an apocalyptic number.

It is an amenable number.

340572 is an abundant number, since it is smaller than the sum of its proper divisors (464820).

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

340572 is a wasteful number, since it uses less digits than its factorization.

340572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 340572 is about 583.5854693188. The cubic root of 340572 is about 69.8344386613.

The spelling of 340572 in words is "three hundred forty thousand, five hundred seventy-two".