6502340 has 48 divisors (see below), whose sum is σ = 14923440. Its totient is φ = 2365440.

The previous prime is 6502339. The next prime is 6502367. The reversal of 6502340 is 432056.

It can be written as a sum of positive squares in 8 ways, for example, as 732736 + 5769604 = 856^2 + 2402^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an Ulam number.

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, 23000 + ... + 23280.

It is an arithmetic number, because the mean of its divisors is an integer number (310905).

Almost surely, 2^6502340 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 6502340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7461720).

6502340 is an abundant number, since it is smaller than the sum of its proper divisors (8421100).

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

6502340 is a wasteful number, since it uses less digits than its factorization.

6502340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 6502340 is about 2549.9686272580. The cubic root of 6502340 is about 186.6479502209.

Adding to 6502340 its reverse (432056), we get a palindrome (6934396).

The spelling of 6502340 in words is "six million, five hundred two thousand, three hundred forty".