3903228 has 60 divisors (see below), whose sum is σ = 11668272. Its totient is φ = 1114560.

The previous prime is 3903223. The next prime is 3903233. The reversal of 3903228 is 8223093.

It is an interprime number because it is at equal distance from previous prime (3903223) and next prime (3903233).

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 (3903223) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1408 + ... + 3128.

Almost surely, 2^3903228 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 3903228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5834136).

3903228 is an abundant number, since it is smaller than the sum of its proper divisors (7765044).

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

3903228 is a wasteful number, since it uses less digits than its factorization.

3903228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744 (or 1733 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 3903228 is about 1975.6588774381. The cubic root of 3903228 is about 157.4495076241.

It can be divided in two parts, 39032 and 28, that added together give a triangular number (39060 = T₂₇₉).

The spelling of 3903228 in words is "three million, nine hundred three thousand, two hundred twenty-eight".