1398114 has 32 divisors (see below), whose sum is σ = 3291840. Its totient is φ = 438336.

The previous prime is 1398113. The next prime is 1398121. The reversal of 1398114 is 4118931.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1398113) 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, 157 + ... + 1679.

It is an arithmetic number, because the mean of its divisors is an integer number (102870).

2^1398114 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1398114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1645920).

1398114 is an abundant number, since it is smaller than the sum of its proper divisors (1893726).

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

1398114 is a wasteful number, since it uses less digits than its factorization.

1398114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551 (or 1545 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 1398114 is about 1182.4187075651. The cubic root of 1398114 is about 111.8186371730.

The spelling of 1398114 in words is "one million, three hundred ninety-eight thousand, one hundred fourteen".