1391348 has 48 divisors (see below), whose sum is σ = 3064320. Its totient is φ = 539136.

The previous prime is 1391323. The next prime is 1391353. The reversal of 1391348 is 8431931.

Its product of digits (2592) is a multiple of the sum of its prime factors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 1391348.

It is a congruent number.

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, 17573 + ... + 17651.

It is an arithmetic number, because the mean of its divisors is an integer number (63840).

2^1391348 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1391348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1532160).

1391348 is an abundant number, since it is smaller than the sum of its proper divisors (1672972).

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

1391348 is a wasteful number, since it uses less digits than its factorization.

1391348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 142 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 1391348 is about 1179.5541530595. The cubic root of 1391348 is about 111.6379679226.

The spelling of 1391348 in words is "one million, three hundred ninety-one thousand, three hundred forty-eight".