340456732 has 54 divisors (see below), whose sum is σ = 750810536. Its totient is φ = 132227040.

The previous prime is 340456709. The next prime is 340456733. The reversal of 340456732 is 237654043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340456733) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1073838 + ... + 1074154.

Almost surely, 2^340456732 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 340456732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375405268).

340456732 is an abundant number, since it is smaller than the sum of its proper divisors (410353804).

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

340456732 is a wasteful number, since it uses less digits than its factorization.

340456732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 34.

The square root of 340456732 is about 18451.4696433645. The cubic root of 340456732 is about 698.2655918756.

The spelling of 340456732 in words is "three hundred forty million, four hundred fifty-six thousand, seven hundred thirty-two".