1383020 has 12 divisors (see below), whose sum is σ = 2904384. Its totient is φ = 553200.

The previous prime is 1382999. The next prime is 1383037. The reversal of 1383020 is 203831.

It is a self number, because there is not a number n which added to its sum of digits gives 1383020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34556 + ... + 34595.

It is an arithmetic number, because the mean of its divisors is an integer number (242032).

2^1383020 is an apocalyptic number.

1383020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1383020 is an abundant number, since it is smaller than the sum of its proper divisors (1521364).

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

1383020 is a wasteful number, since it uses less digits than its factorization.

1383020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69160 (or 69158 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1383020 is about 1176.0187073342. The cubic root of 1383020 is about 111.4147833664.

Adding to 1383020 its reverse (203831), we get a palindrome (1586851).

The spelling of 1383020 in words is "one million, three hundred eighty-three thousand, twenty".