340731912 has 64 divisors (see below), whose sum is σ = 896002560. Its totient is φ = 107827200.

The previous prime is 340731907. The next prime is 340731947. The reversal of 340731912 is 219137043.

It is a self number, because there is not a number n which added to its sum of digits gives 340731912.

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, 35112 + ... + 43752.

It is an arithmetic number, because the mean of its divisors is an integer number (14000040).

Almost surely, 2^340731912 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 340731912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448001280).

340731912 is an abundant number, since it is smaller than the sum of its proper divisors (555270648).

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

340731912 is a wasteful number, since it uses less digits than its factorization.

340731912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8734 (or 8730 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 340731912 is about 18458.9249957846. The cubic root of 340731912 is about 698.4536695975.

Adding to 340731912 its reverse (219137043), we get a palindrome (559868955).

The spelling of 340731912 in words is "three hundred forty million, seven hundred thirty-one thousand, nine hundred twelve".