340002784 has 48 divisors (see below), whose sum is σ = 738506160. Its totient is φ = 152796160.

The previous prime is 340002779. The next prime is 340002787. The reversal of 340002784 is 487200043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340002787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25902 + ... + 36754.

It is an arithmetic number, because the mean of its divisors is an integer number (15385545).

Almost surely, 2^340002784 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 340002784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369253080).

340002784 is an abundant number, since it is smaller than the sum of its proper divisors (398503376).

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

340002784 is a wasteful number, since it uses less digits than its factorization.

340002784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10963 (or 10955 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 340002784 is about 18439.1644062306. The cubic root of 340002784 is about 697.9551096874.

The spelling of 340002784 in words is "three hundred forty million, two thousand, seven hundred eighty-four".