340847220 has 96 divisors (see below), whose sum is σ = 1105751808. Its totient is φ = 76833792.

The previous prime is 340847209. The next prime is 340847261. The reversal of 340847220 is 22748043.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25102 + ... + 36218.

It is an arithmetic number, because the mean of its divisors is an integer number (11518248).

Almost surely, 2^340847220 is an apocalyptic number.

340847220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340847220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (552875904).

340847220 is an abundant number, since it is smaller than the sum of its proper divisors (764904588).

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

340847220 is a wasteful number, since it uses less digits than its factorization.

340847220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11209 (or 11207 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 340847220 is about 18462.0480987349. The cubic root of 340847220 is about 698.5324492379.

The spelling of 340847220 in words is "three hundred forty million, eight hundred forty-seven thousand, two hundred twenty".