6345516 has 48 divisors (see below), whose sum is σ = 15692544. Its totient is φ = 1991616.

The previous prime is 6345497. The next prime is 6345533. The reversal of 6345516 is 6155436.

It is a congruent 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, 22770 + ... + 23046.

It is an arithmetic number, because the mean of its divisors is an integer number (326928).

Almost surely, 2^6345516 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 6345516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7846272).

6345516 is an abundant number, since it is smaller than the sum of its proper divisors (9347028).

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

6345516 is a wasteful number, since it uses less digits than its factorization.

6345516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 388 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 6345516 is about 2519.0307659892. The cubic root of 6345516 is about 185.1351921484.

The spelling of 6345516 in words is "six million, three hundred forty-five thousand, five hundred sixteen".