1300398 has 64 divisors (see below), whose sum is σ = 3214080. Its totient is φ = 345600.

The previous prime is 1300391. The next prime is 1300421. The reversal of 1300398 is 8930031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21288 + ... + 21348.

It is an arithmetic number, because the mean of its divisors is an integer number (50220).

2^1300398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1300398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1607040).

1300398 is an abundant number, since it is smaller than the sum of its proper divisors (1913682).

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

1300398 is a wasteful number, since it uses less digits than its factorization.

1300398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1300398 is about 1140.3499462884. The cubic root of 1300398 is about 109.1504249740.

The spelling of 1300398 in words is "one million, three hundred thousand, three hundred ninety-eight".