340212236 has 48 divisors (see below), whose sum is σ = 742103040. Its totient is φ = 132874560.

The previous prime is 340212221. The next prime is 340212241. The reversal of 340212236 is 632212043.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22841 + ... + 34671.

It is an arithmetic number, because the mean of its divisors is an integer number (15460480).

Almost surely, 2^340212236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340212236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371051520).

340212236 is an abundant number, since it is smaller than the sum of its proper divisors (401890804).

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

340212236 is a wasteful number, since it uses less digits than its factorization.

340212236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11934 (or 11932 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 340212236 is about 18444.8430733362. The cubic root of 340212236 is about 698.0984007544.

Adding to 340212236 its reverse (632212043), we get a palindrome (972424279).

The spelling of 340212236 in words is "three hundred forty million, two hundred twelve thousand, two hundred thirty-six".