1398233 has 8 divisors (see below), whose sum is σ = 1491048. Its totient is φ = 1306624.

The previous prime is 1398227. The next prime is 1398247. The reversal of 1398233 is 3328931.

It can be written as a sum of positive squares in 4 ways, for example, as 150544 + 1247689 = 388^2 + 1117^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1398233 - 2⁴ = 1398217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1398196 and 1398205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1398263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3785 + ... + 4137.

It is an arithmetic number, because the mean of its divisors is an integer number (186381).

2^1398233 is an apocalyptic number.

It is an amenable number.

1398233 is a deficient number, since it is larger than the sum of its proper divisors (92815).

1398233 is a wasteful number, since it uses less digits than its factorization.

1398233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603.

The product of its digits is 3888, while the sum is 29.

The square root of 1398233 is about 1182.4690270785. The cubic root of 1398233 is about 111.8218095515.

The spelling of 1398233 in words is "one million, three hundred ninety-eight thousand, two hundred thirty-three".