3893220 has 72 divisors (see below), whose sum is σ = 12108096. Its totient is φ = 1012032.

The previous prime is 3893213. The next prime is 3893243. The reversal of 3893220 is 223983.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7489 + ... + 7991.

It is an arithmetic number, because the mean of its divisors is an integer number (168168).

Almost surely, 2^3893220 is an apocalyptic number.

3893220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3893220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6054048).

3893220 is an abundant number, since it is smaller than the sum of its proper divisors (8214876).

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

3893220 is a wasteful number, since it uses less digits than its factorization.

3893220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 556 counting only the distinct ones).

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

The square root of 3893220 is about 1973.1244258789. The cubic root of 3893220 is about 157.3148239421.

The spelling of 3893220 in words is "three million, eight hundred ninety-three thousand, two hundred twenty".