3703644 has 120 divisors (see below), whose sum is σ = 11708928. Its totient is φ = 997920.

The previous prime is 3703643. The next prime is 3703649. The reversal of 3703644 is 4463073.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3703643) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 52129 + ... + 52199.

Almost surely, 2^3703644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3703644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5854464).

3703644 is an abundant number, since it is smaller than the sum of its proper divisors (8005284).

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

3703644 is a wasteful number, since it uses less digits than its factorization.

3703644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 106 counting only the distinct ones).

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

The square root of 3703644 is about 1924.4853857590. The cubic root of 3703644 is about 154.7187964225.

The spelling of 3703644 in words is "three million, seven hundred three thousand, six hundred forty-four".