6598722 has 32 divisors (see below), whose sum is σ = 14676480. Its totient is φ = 1964160.

The previous prime is 6598721. The next prime is 6598733. The reversal of 6598722 is 2278956.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (6598721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1054 + ... + 3782.

It is an arithmetic number, because the mean of its divisors is an integer number (458640).

Almost surely, 2^6598722 is an apocalyptic number.

6598722 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6598722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7338240).

6598722 is an abundant number, since it is smaller than the sum of its proper divisors (8077758).

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

6598722 is a wasteful number, since it uses less digits than its factorization.

6598722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778.

The product of its digits is 60480, while the sum is 39.

The square root of 6598722 is about 2568.7977732784. The cubic root of 6598722 is about 187.5656374643.

The spelling of 6598722 in words is "six million, five hundred ninety-eight thousand, seven hundred twenty-two".