6840516 has 12 divisors (see below), whose sum is σ = 15961232. Its totient is φ = 2280168.

The previous prime is 6840497. The next prime is 6840527. The reversal of 6840516 is 6150486.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285010 + ... + 285033.

Almost surely, 2^6840516 is an apocalyptic number.

It is an amenable number.

6840516 is an abundant number, since it is smaller than the sum of its proper divisors (9120716).

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

6840516 is a wasteful number, since it uses less digits than its factorization.

6840516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570050 (or 570048 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 6840516 is about 2615.4380130296. The cubic root of 6840516 is about 189.8291724026.

Subtracting from 6840516 its sum of digits (30), we obtain a palindrome (6840486).

The spelling of 6840516 in words is "six million, eight hundred forty thousand, five hundred sixteen".