3721832 has 16 divisors (see below), whose sum is σ = 7075140. Its totient is φ = 1835136.

The previous prime is 3721813. The next prime is 3721847. The reversal of 3721832 is 2381273.

It can be written as a sum of positive squares in 2 ways, for example, as 3556996 + 164836 = 1886^2 + 406^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2603 + ... + 3770.

Almost surely, 2^3721832 is an apocalyptic number.

It is an amenable number.

3721832 is a deficient number, since it is larger than the sum of its proper divisors (3353308).

3721832 is a wasteful number, since it uses less digits than its factorization.

3721832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6452 (or 6448 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 3721832 is about 1929.2050176174. The cubic root of 3721832 is about 154.9716493413.

The spelling of 3721832 in words is "three million, seven hundred twenty-one thousand, eight hundred thirty-two".