340613220 has 24 divisors (see below), whose sum is σ = 953717184. Its totient is φ = 90830176.

The previous prime is 340613219. The next prime is 340613239. The reversal of 340613220 is 22316043.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2838384 + ... + 2838503.

It is an arithmetic number, because the mean of its divisors is an integer number (39738216).

Almost surely, 2^340613220 is an apocalyptic number.

340613220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

340613220 is an abundant number, since it is smaller than the sum of its proper divisors (613103964).

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

340613220 is a wasteful number, since it uses less digits than its factorization.

340613220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5676899 (or 5676897 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 340613220 is about 18455.7096856230. The cubic root of 340613220 is about 698.3725594070.

Adding to 340613220 its reverse (22316043), we get a palindrome (362929263).

The spelling of 340613220 in words is "three hundred forty million, six hundred thirteen thousand, two hundred twenty".