1398330 has 32 divisors (see below), whose sum is σ = 3729600. Its totient is φ = 372816.

The previous prime is 1398329. The next prime is 1398347. The reversal of 1398330 is 338931.

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

It is a junction number, because it is equal to n+sod(n) for n = 1398294 and 1398303.

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 15 ways as a sum of consecutive naturals, for example, 2320 + ... + 2859.

It is an arithmetic number, because the mean of its divisors is an integer number (116550).

2^1398330 is an apocalyptic number.

1398330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1398330 is an abundant number, since it is smaller than the sum of its proper divisors (2331270).

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

1398330 is a wasteful number, since it uses less digits than its factorization.

1398330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5195 (or 5189 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1398330 is about 1182.5100422407. The cubic root of 1398330 is about 111.8243953067.

It can be divided in two parts, 1398 and 330, that added together give a cube (1728 = 12³).

The spelling of 1398330 in words is "one million, three hundred ninety-eight thousand, three hundred thirty".