3901224 has 32 divisors (see below), whose sum is σ = 9940320. Its totient is φ = 1275456.

The previous prime is 3901223. The next prime is 3901229. The reversal of 3901224 is 4221093.

3901224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3901224.

It is not an unprimeable number, because it can be changed into a prime (3901223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262 + ... + 2805.

It is an arithmetic number, because the mean of its divisors is an integer number (310635).

Almost surely, 2^3901224 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 3901224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4970160).

3901224 is an abundant number, since it is smaller than the sum of its proper divisors (6039096).

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

3901224 is a wasteful number, since it uses less digits than its factorization.

3901224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3129 (or 3125 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 3901224 is about 1975.1516397482. The cubic root of 3901224 is about 157.4225570396.

The spelling of 3901224 in words is "three million, nine hundred one thousand, two hundred twenty-four".