1383469 has 4 divisors (see below), whose sum is σ = 1386396. Its totient is φ = 1380544.

The previous prime is 1383451. The next prime is 1383479. The reversal of 1383469 is 9643831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9643831 = 23 ⋅419297.

It can be written as a sum of positive squares in 2 ways, for example, as 660969 + 722500 = 813^2 + 850^2 .

It is a cyclic number.

It is not a de Polignac number, because 1383469 - 2⁹ = 1382957 is a prime.

It is a super-2 number, since 2×1383469² = 3827972947922, which contains 22 as substring.

It is a Duffinian number.

1383469 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574 + ... + 1759.

It is an arithmetic number, because the mean of its divisors is an integer number (346599).

2^1383469 is an apocalyptic number.

It is an amenable number.

1383469 is a deficient number, since it is larger than the sum of its proper divisors (2927).

1383469 is an equidigital number, since it uses as much as digits as its factorization.

1383469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2926.

The product of its digits is 15552, while the sum is 34.

The square root of 1383469 is about 1176.2095901667. The cubic root of 1383469 is about 111.4268390670.

The spelling of 1383469 in words is "one million, three hundred eighty-three thousand, four hundred sixty-nine".