340505736 has 32 divisors (see below), whose sum is σ = 878726400. Its totient is φ = 109840320.

The previous prime is 340505729. The next prime is 340505747. The reversal of 340505736 is 637505043.

It is a junction number, because it is equal to n+sod(n) for n = 340505697 and 340505706.

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, 228091 + ... + 229578.

It is an arithmetic number, because the mean of its divisors is an integer number (27460200).

Almost surely, 2^340505736 is an apocalyptic number.

It is an amenable number.

340505736 is an abundant number, since it is smaller than the sum of its proper divisors (538220664).

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

340505736 is a wasteful number, since it uses less digits than its factorization.

340505736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457709 (or 457705 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 340505736 is about 18452.7975114886. The cubic root of 340505736 is about 698.2990921340.

The spelling of 340505736 in words is "three hundred forty million, five hundred five thousand, seven hundred thirty-six".