6499800 has 144 divisors (see below), whose sum is σ = 22922640. Its totient is φ = 1647360.

The previous prime is 6499793. The next prime is 6499841. The reversal of 6499800 is 89946.

6499800 is a `hidden beast` number, since 649 + 9 + 8 + 0 + 0 = 666.

6499800 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 41322 + ... + 41478.

It is an arithmetic number, because the mean of its divisors is an integer number (159185).

Almost surely, 2^6499800 is an apocalyptic number.

6499800 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6499800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11461320).

6499800 is an abundant number, since it is smaller than the sum of its proper divisors (16422840).

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

6499800 is a wasteful number, since it uses less digits than its factorization.

6499800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 6499800 is about 2549.4705332676. The cubic root of 6499800 is about 186.6236437129.

The spelling of 6499800 in words is "six million, four hundred ninety-nine thousand, eight hundred".