1384236 has 48 divisors (see below), whose sum is σ = 4103680. Its totient is φ = 395280.

The previous prime is 1384231. The next prime is 1384237. The reversal of 1384236 is 6324831.

It is a happy number.

It is a super-2 number, since 2×1384236² = 3832218607392, which contains 22 as substring.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1384231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160 + ... + 1671.

2^1384236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1384236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2051840).

1384236 is an abundant number, since it is smaller than the sum of its proper divisors (2719444).

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

1384236 is a wasteful number, since it uses less digits than its factorization.

1384236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851 (or 1843 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 1384236 is about 1176.5355923218. The cubic root of 1384236 is about 111.4474270712.

The spelling of 1384236 in words is "one million, three hundred eighty-four thousand, two hundred thirty-six".