340770 has 32 divisors (see below), whose sum is σ = 842688. Its totient is φ = 88128.

The previous prime is 340757. The next prime is 340777. The reversal of 340770 is 77043.

340770 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×340770² = 232248385800, which contains 22 as substring.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (340777) by changing a digit.

340770 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 15 ways as a sum of consecutive naturals, for example, 957 + ... + 1263.

It is an arithmetic number, because the mean of its divisors is an integer number (26334).

2³⁴⁰⁷⁷⁰ is an apocalyptic number.

340770 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 340770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421344).

340770 is an abundant number, since it is smaller than the sum of its proper divisors (501918).

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

340770 is a wasteful number, since it uses less digits than its factorization.

340770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354.

The product of its (nonzero) digits is 588, while the sum is 21.

The square root of 340770 is about 583.7550856310. The cubic root of 340770 is about 69.8479693686.

The spelling of 340770 in words is "three hundred forty thousand, seven hundred seventy", and thus it is an iban number.