3643722 has 48 divisors (see below), whose sum is σ = 8311680. Its totient is φ = 1152576.

The previous prime is 3643721. The next prime is 3643733. The reversal of 3643722 is 2273463.

It is not an unprimeable number, because it can be changed into a prime (3643721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49878 + ... + 49950.

It is an arithmetic number, because the mean of its divisors is an integer number (173160).

Almost surely, 2^3643722 is an apocalyptic number.

3643722 is an abundant number, since it is smaller than the sum of its proper divisors (4667958).

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

3643722 is a wasteful number, since it uses less digits than its factorization.

3643722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 184 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 3643722 is about 1908.8535826511. The cubic root of 3643722 is about 153.8798466847.

The spelling of 3643722 in words is "three million, six hundred forty-three thousand, seven hundred twenty-two".