3721104 has 30 divisors (see below), whose sum is σ = 10414326. Its totient is φ = 1240320.

The previous prime is 3721099. The next prime is 3721117. The reversal of 3721104 is 4011273.

It can be written as a sum of positive squares in only one way, i.e., 2822400 + 898704 = 1680^2 + 948^2 .

It is a super-2 number, since 2×3721104² = 27693229957632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12777 + ... + 13064.

Almost surely, 2^3721104 is an apocalyptic number.

It is an amenable number.

3721104 is an abundant number, since it is smaller than the sum of its proper divisors (6693222).

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

3721104 is a wasteful number, since it uses less digits than its factorization.

3721104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25855 (or 25846 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 3721104 is about 1929.0163296354. The cubic root of 3721104 is about 154.9615443968.

Adding to 3721104 its reverse (4011273), we get a palindrome (7732377).

The spelling of 3721104 in words is "three million, seven hundred twenty-one thousand, one hundred four".