1398348 has 72 divisors (see below), whose sum is σ = 4193280. Its totient is φ = 384480.

The previous prime is 1398347. The next prime is 1398349. The reversal of 1398348 is 8438931.

It is an interprime number because it is at equal distance from previous prime (1398347) and next prime (1398349).

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 (1398347) 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, 7723 + ... + 7901.

It is an arithmetic number, because the mean of its divisors is an integer number (58240).

2^1398348 is an apocalyptic number.

1398348 is a gapful number since it is divisible by the number (18) 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 1398348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2096640).

1398348 is an abundant number, since it is smaller than the sum of its proper divisors (2794932).

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

1398348 is a wasteful number, since it uses less digits than its factorization.

1398348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 222 counting only the distinct ones).

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

The square root of 1398348 is about 1182.5176531452. The cubic root of 1398348 is about 111.8248751244.

The spelling of 1398348 in words is "one million, three hundred ninety-eight thousand, three hundred forty-eight".