340954218 has 64 divisors (see below), whose sum is σ = 855100800. Its totient is φ = 99751680.

The previous prime is 340954199. The next prime is 340954241. The reversal of 340954218 is 812459043.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7330 + ... + 27122.

It is an arithmetic number, because the mean of its divisors is an integer number (13360950).

Almost surely, 2^340954218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340954218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427550400).

340954218 is an abundant number, since it is smaller than the sum of its proper divisors (514146582).

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

340954218 is a wasteful number, since it uses less digits than its factorization.

340954218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19844 (or 19838 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 340954218 is about 18464.9456538599. The cubic root of 340954218 is about 698.6055355075.

The spelling of 340954218 in words is "three hundred forty million, nine hundred fifty-four thousand, two hundred eighteen".