1398284 has 12 divisors (see below), whose sum is σ = 2591064. Its totient is φ = 657984.

The previous prime is 1398283. The next prime is 1398289. The reversal of 1398284 is 4828931.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1398281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10214 + ... + 10349.

It is an arithmetic number, because the mean of its divisors is an integer number (215922).

2^1398284 is an apocalyptic number.

It is an amenable number.

1398284 is a deficient number, since it is larger than the sum of its proper divisors (1192780).

1398284 is a wasteful number, since it uses less digits than its factorization.

1398284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20584 (or 20582 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 1398284 is about 1182.4905919287. The cubic root of 1398284 is about 111.8231690872.

The spelling of 1398284 in words is "one million, three hundred ninety-eight thousand, two hundred eighty-four".