3805732 has 18 divisors (see below), whose sum is σ = 7747782. Its totient is φ = 1630944.

The previous prime is 3805721. The next prime is 3805733. The reversal of 3805732 is 2375083.

It can be written as a sum of positive squares in only one way, i.e., 1999396 + 1806336 = 1414^2 + 1344^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3805732.

It is not an unprimeable number, because it can be changed into a prime (3805733) 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, 9513 + ... + 9904.

Almost surely, 2^3805732 is an apocalyptic number.

It is an amenable number.

3805732 is an abundant number, since it is smaller than the sum of its proper divisors (3942050).

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

3805732 is a wasteful number, since it uses less digits than its factorization.

3805732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19435 (or 19426 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 3805732 is about 1950.8285419278. The cubic root of 3805732 is about 156.1274982223.

The spelling of 3805732 in words is "three million, eight hundred five thousand, seven hundred thirty-two".