1397382 has 40 divisors (see below), whose sum is σ = 3293976. Its totient is φ = 395136.

The previous prime is 1397359. The next prime is 1397437. The reversal of 1397382 is 2837931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14358 + ... + 14454.

2^1397382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1397382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1646988).

1397382 is an abundant number, since it is smaller than the sum of its proper divisors (1896594).

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

1397382 is an frugal number, since it uses more digits than its factorization.

1397382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 109 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 1397382 is about 1182.1091320179. The cubic root of 1397382 is about 111.7991190862.

Multiplying 1397382 by its sum of digits (33), we get a triangular number (46113606 = T₉₆₀₃).

The spelling of 1397382 in words is "one million, three hundred ninety-seven thousand, three hundred eighty-two".