6540996 has 48 divisors (see below), whose sum is σ = 19031040. Its totient is φ = 1698720.

The previous prime is 6540983. The next prime is 6541021. The reversal of 6540996 is 6990456.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 2616 + ... + 4463.

It is an arithmetic number, because the mean of its divisors is an integer number (396480).

Almost surely, 2^6540996 is an apocalyptic number.

6540996 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6540996 is an abundant number, since it is smaller than the sum of its proper divisors (12490044).

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

6540996 is a wasteful number, since it uses less digits than its factorization.

6540996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7104 (or 7102 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 6540996 is about 2557.5370965052. The cubic root of 6540996 is about 187.0170897666.

The spelling of 6540996 in words is "six million, five hundred forty thousand, nine hundred ninety-six".