6498820 has 12 divisors (see below), whose sum is σ = 13647564. Its totient is φ = 2599520.

The previous prime is 6498803. The next prime is 6498823. The reversal of 6498820 is 288946.

It can be written as a sum of positive squares in 2 ways, for example, as 1153476 + 5345344 = 1074^2 + 2312^2 .

It is a super-2 number, since 2×6498820² = 84469322784800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6498820.

It is not an unprimeable number, because it can be changed into a prime (6498823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162451 + ... + 162490.

It is an arithmetic number, because the mean of its divisors is an integer number (1137297).

Almost surely, 2^6498820 is an apocalyptic number.

It is an amenable number.

6498820 is an abundant number, since it is smaller than the sum of its proper divisors (7148744).

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

6498820 is a wasteful number, since it uses less digits than its factorization.

6498820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324950 (or 324948 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 6498820 is about 2549.2783292532. The cubic root of 6498820 is about 186.6142639185.

The spelling of 6498820 in words is "six million, four hundred ninety-eight thousand, eight hundred twenty".