1380352 has 26 divisors (see below), whose sum is σ = 2768558. Its totient is φ = 688128.

The previous prime is 1380341. The next prime is 1380377. The reversal of 1380352 is 2530831.

It can be written as a sum of positive squares in only one way, i.e., 1048576 + 331776 = 1024^2 + 576^2 .

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3928 + ... + 4264.

It is an arithmetic number, because the mean of its divisors is an integer number (106483).

2^1380352 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 1380352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1384279).

1380352 is an abundant number, since it is smaller than the sum of its proper divisors (1388206).

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

1380352 is an frugal number, since it uses more digits than its factorization.

1380352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1380352 is about 1174.8838240439. The cubic root of 1380352 is about 111.3430933950.

The spelling of 1380352 in words is "one million, three hundred eighty thousand, three hundred fifty-two".