1329398 has 16 divisors (see below), whose sum is σ = 2293920. Its totient is φ = 566016.

The previous prime is 1329397. The next prime is 1329407. The reversal of 1329398 is 8939231.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1329397) 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, 3590 + ... + 3942.

It is an arithmetic number, because the mean of its divisors is an integer number (143370).

2^1329398 is an apocalyptic number.

1329398 is a deficient number, since it is larger than the sum of its proper divisors (964522).

1329398 is a wasteful number, since it uses less digits than its factorization.

1329398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631.

The product of its digits is 11664, while the sum is 35.

The square root of 1329398 is about 1152.9952298253. The cubic root of 1329398 is about 109.9558500508.

The spelling of 1329398 in words is "one million, three hundred twenty-nine thousand, three hundred ninety-eight".