3728446 has 16 divisors (see below), whose sum is σ = 5990400. Its totient is φ = 1735128.

The previous prime is 3728441. The next prime is 3728447. The reversal of 3728446 is 6448273.

It is a d-powerful number, because it can be written as 3¹³ + 7 + 2²¹ + 8⁵ + 4³ + 4⁶ + 6² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3728441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1411 + ... + 3073.

It is an arithmetic number, because the mean of its divisors is an integer number (374400).

Almost surely, 2^3728446 is an apocalyptic number.

3728446 is a deficient number, since it is larger than the sum of its proper divisors (2261954).

3728446 is a wasteful number, since it uses less digits than its factorization.

3728446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743.

The product of its digits is 32256, while the sum is 34.

The square root of 3728446 is about 1930.9184343208. The cubic root of 3728446 is about 155.0633941172.

The spelling of 3728446 in words is "three million, seven hundred twenty-eight thousand, four hundred forty-six".