1398336 has 28 divisors (see below), whose sum is σ = 3700272. Its totient is φ = 466048.

The previous prime is 1398329. The next prime is 1398347. The reversal of 1398336 is 6338931.

It is a junction number, because it is equal to n+sod(n) for n = 1398297 and 1398306.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3450 + ... + 3833.

2^1398336 is an apocalyptic number.

1398336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1398336 is an abundant number, since it is smaller than the sum of its proper divisors (2301936).

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

1398336 is an equidigital number, since it uses as much as digits as its factorization.

1398336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7298 (or 7288 counting only the distinct ones).

The product of its digits is 11664, while the sum is 33.

The square root of 1398336 is about 1182.5125792143. The cubic root of 1398336 is about 111.8245552464.

The spelling of 1398336 in words is "one million, three hundred ninety-eight thousand, three hundred thirty-six".