3220038 has 36 divisors (see below), whose sum is σ = 7423260. Its totient is φ = 1008576.

The previous prime is 3220037. The next prime is 3220051. The reversal of 3220038 is 8300223.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 3220038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220033) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4893 + ... + 5511.

Almost surely, 2^3220038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3220038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3711630).

3220038 is an abundant number, since it is smaller than the sum of its proper divisors (4203222).

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

3220038 is a wasteful number, since it uses less digits than its factorization.

3220038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3220038 is about 1794.4464327474. The cubic root of 3220038 is about 147.6682060781.

The spelling of 3220038 in words is "three million, two hundred twenty thousand, thirty-eight".