2381804532 has 36 divisors (see below), whose sum is σ = 6022232580. Its totient is φ = 793729152.

The previous prime is 2381804531. The next prime is 2381804563. The reversal of 2381804532 is 2354081832.

2381804532 is a `hidden beast` number, since 23 + 8 + 180 + 453 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 396567396 + 1985237136 = 19914^2 + 44556^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381804531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205648 + ... + 216920.

Almost surely, 2^2381804532 is an apocalyptic number.

It is an amenable number.

2381804532 is an abundant number, since it is smaller than the sum of its proper divisors (3640428048).

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

2381804532 is a wasteful number, since it uses less digits than its factorization.

2381804532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17152 (or 17147 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 2381804532 is about 48803.7348160978. The cubic root of 2381804532 is about 1335.4738006000.

The spelling of 2381804532 in words is "two billion, three hundred eighty-one million, eight hundred four thousand, five hundred thirty-two".