1383669 has 16 divisors (see below), whose sum is σ = 2343040. Its totient is φ = 790560.

The previous prime is 1383667. The next prime is 1383691. The reversal of 1383669 is 9663831.

It is a happy number.

It is not a de Polignac number, because 1383669 - 2¹ = 1383667 is a prime.

It is a super-2 number, since 2×1383669² = 3829079803122, which contains 22 as substring.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3472 + ... + 3849.

It is an arithmetic number, because the mean of its divisors is an integer number (146440).

2^1383669 is an apocalyptic number.

It is an amenable number.

1383669 is a deficient number, since it is larger than the sum of its proper divisors (959371).

1383669 is an equidigital number, since it uses as much as digits as its factorization.

1383669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7337 (or 7331 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 1383669 is about 1176.2946059555. The cubic root of 1383669 is about 111.4322082499.

The spelling of 1383669 in words is "one million, three hundred eighty-three thousand, six hundred sixty-nine".