3739220 has 48 divisors (see below), whose sum is σ = 8375808. Its totient is φ = 1399680.

The previous prime is 3739199. The next prime is 3739247. The reversal of 3739220 is 229373.

It is a self number, because there is not a number n which added to its sum of digits gives 3739220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22859 + ... + 23021.

It is an arithmetic number, because the mean of its divisors is an integer number (174496).

Almost surely, 2^3739220 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 3739220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4187904).

3739220 is an abundant number, since it is smaller than the sum of its proper divisors (4636588).

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

3739220 is a wasteful number, since it uses less digits than its factorization.

3739220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 3739220 is about 1933.7062858666. The cubic root of 3739220 is about 155.2126114561.

The spelling of 3739220 in words is "three million, seven hundred thirty-nine thousand, two hundred twenty".