1398359 has 8 divisors (see below), whose sum is σ = 1440720. Its totient is φ = 1356736.

The previous prime is 1398349. The next prime is 1398367. The reversal of 1398359 is 9538931.

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 1398359 - 2¹⁶ = 1332823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1398329) 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, 7997 + ... + 8169.

It is an arithmetic number, because the mean of its divisors is an integer number (180090).

2^1398359 is an apocalyptic number.

1398359 is a deficient number, since it is larger than the sum of its proper divisors (42361).

1398359 is a wasteful number, since it uses less digits than its factorization.

1398359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369.

The product of its digits is 29160, while the sum is 38.

The square root of 1398359 is about 1182.5223042294. The cubic root of 1398359 is about 111.8251683443.

The spelling of 1398359 in words is "one million, three hundred ninety-eight thousand, three hundred fifty-nine".