6495620 has 12 divisors (see below), whose sum is σ = 13640844. Its totient is φ = 2598240.

The previous prime is 6495607. The next prime is 6495641. The reversal of 6495620 is 265946.

It can be written as a sum of positive squares in 2 ways, for example, as 1898884 + 4596736 = 1378^2 + 2144^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 6 + 4⁴ + 9⁷ + 5 + 6⁸ + 2¹⁵ + 0 .

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, 162371 + ... + 162410.

It is an arithmetic number, because the mean of its divisors is an integer number (1136737).

Almost surely, 2^6495620 is an apocalyptic number.

It is an amenable number.

6495620 is an abundant number, since it is smaller than the sum of its proper divisors (7145224).

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

6495620 is a wasteful number, since it uses less digits than its factorization.

6495620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324790 (or 324788 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 6495620 is about 2548.6506233692. The cubic root of 6495620 is about 186.5836294502.

The spelling of 6495620 in words is "six million, four hundred ninety-five thousand, six hundred twenty".