1398358 has 8 divisors (see below), whose sum is σ = 2258928. Its totient is φ = 645384.

The previous prime is 1398349. The next prime is 1398367. The reversal of 1398358 is 8538931.

It is an interprime number because it is at equal distance from previous prime (1398349) and next prime (1398367).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26866 + ... + 26917.

It is an arithmetic number, because the mean of its divisors is an integer number (282366).

2^1398358 is an apocalyptic number.

1398358 is a deficient number, since it is larger than the sum of its proper divisors (860570).

1398358 is a wasteful number, since it uses less digits than its factorization.

1398358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53798.

The product of its digits is 25920, while the sum is 37.

The square root of 1398358 is about 1182.5218814043. The cubic root of 1398358 is about 111.8251416880.

It can be divided in two parts, 13983 and 58, that added together give a palindrome (14041).

The spelling of 1398358 in words is "one million, three hundred ninety-eight thousand, three hundred fifty-eight".