6398280 has 96 divisors (see below), whose sum is σ = 23774400. Its totient is φ = 1461888.

The previous prime is 6398267. The next prime is 6398281. The reversal of 6398280 is 828936.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (6398281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1251 + ... + 3789.

It is an arithmetic number, because the mean of its divisors is an integer number (247650).

Almost surely, 2^6398280 is an apocalyptic number.

6398280 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 6398280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11887200).

6398280 is an abundant number, since it is smaller than the sum of its proper divisors (17376120).

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

6398280 is a wasteful number, since it uses less digits than its factorization.

6398280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563 (or 2556 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 6398280 is about 2529.4821604431. The cubic root of 6398280 is about 185.6469194943.

The spelling of 6398280 in words is "six million, three hundred ninety-eight thousand, two hundred eighty".