1384533 has 10 divisors (see below), whose sum is σ = 2068374. Its totient is φ = 922968.

The previous prime is 1384507. The next prime is 1384561. The reversal of 1384533 is 3354831.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1205604 + 178929 = 1098^2 + 423^2 .

It is not a de Polignac number, because 1384533 - 2⁵ = 1384501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

1384533 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1384497 and 1384506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384433) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8466 + ... + 8627.

2^1384533 is an apocalyptic number.

It is an amenable number.

1384533 is a deficient number, since it is larger than the sum of its proper divisors (683841).

1384533 is an equidigital number, since it uses as much as digits as its factorization.

1384533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17105 (or 17096 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 1384533 is about 1176.6618035782. The cubic root of 1384533 is about 111.4553971762.

The spelling of 1384533 in words is "one million, three hundred eighty-four thousand, five hundred thirty-three".