2136384 has 42 divisors (see below), whose sum is σ = 6125210. Its totient is φ = 711936.

The previous prime is 2136383. The next prime is 2136389. The reversal of 2136384 is 4836312.

It is a happy number.

2136384 is a `hidden beast` number, since 21 + 3 + 638 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1617984 + 518400 = 1272^2 + 720^2 .

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136383) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1279 + ... + 2430.

2^2136384 is an apocalyptic number.

2136384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2136384 is an abundant number, since it is smaller than the sum of its proper divisors (3988826).

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

2136384 is a wasteful number, since it uses less digits than its factorization.

2136384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3727 (or 3714 counting only the distinct ones).

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

The square root of 2136384 is about 1461.6374379442. The cubic root of 2136384 is about 128.7932509355.

The spelling of 2136384 in words is "two million, one hundred thirty-six thousand, three hundred eighty-four".