1397802 has 32 divisors (see below), whose sum is σ = 3336192. Its totient is φ = 381744.

The previous prime is 1397783. The next prime is 1397833. The reversal of 1397802 is 2087931.

It is a happy number.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 1397802.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243 + ... + 1689.

It is an arithmetic number, because the mean of its divisors is an integer number (104256).

2^1397802 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1397802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1668096).

1397802 is an abundant number, since it is smaller than the sum of its proper divisors (1938390).

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

1397802 is a wasteful number, since it uses less digits than its factorization.

1397802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1397802 is about 1182.2867672439. The cubic root of 1397802 is about 111.8103188217.

The spelling of 1397802 in words is "one million, three hundred ninety-seven thousand, eight hundred two".