4037220 has 72 divisors (see below), whose sum is σ = 13366080. Its totient is φ = 978240.

The previous prime is 4037197. The next prime is 4037221. The reversal of 4037220 is 227304.

It is a happy number.

4037220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 4037193 and 4037202.

It is not an unprimeable number, because it can be changed into a prime (4037221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 961 + ... + 2999.

It is an arithmetic number, because the mean of its divisors is an integer number (185640).

Almost surely, 2^4037220 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 4037220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6683040).

4037220 is an abundant number, since it is smaller than the sum of its proper divisors (9328860).

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

4037220 is a wasteful number, since it uses less digits than its factorization.

4037220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065 (or 2060 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 4037220 is about 2009.2834543687. The cubic root of 4037220 is about 159.2309448024.

The spelling of 4037220 in words is "four million, thirty-seven thousand, two hundred twenty".