1303828 has 6 divisors (see below), whose sum is σ = 2281706. Its totient is φ = 651912.

The previous prime is 1303823. The next prime is 1303831. The reversal of 1303828 is 8283031.

It can be written as a sum of positive squares in only one way, i.e., 1258884 + 44944 = 1122^2 + 212^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162975 + ... + 162982.

2^1303828 is an apocalyptic number.

It is an amenable number.

1303828 is a deficient number, since it is larger than the sum of its proper divisors (977878).

1303828 is a wasteful number, since it uses less digits than its factorization.

1303828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325961 (or 325959 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1303828 is about 1141.8528801908. The cubic root of 1303828 is about 109.2463077402.

Adding to 1303828 its reverse (8283031), we get a palindrome (9586859).

The spelling of 1303828 in words is "one million, three hundred three thousand, eight hundred twenty-eight".