3914220 has 48 divisors (see below), whose sum is σ = 11098080. Its totient is φ = 1030656.

The previous prime is 3914203. The next prime is 3914221. The reversal of 3914220 is 224193.

It is a super-2 number, since 2×3914220² = 30642236416800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3914221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4974 + ... + 5706.

It is an arithmetic number, because the mean of its divisors is an integer number (231210).

Almost surely, 2^3914220 is an apocalyptic number.

3914220 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 3914220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5549040).

3914220 is an abundant number, since it is smaller than the sum of its proper divisors (7183860).

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

3914220 is a wasteful number, since it uses less digits than its factorization.

3914220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834 (or 832 counting only the distinct ones).

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

The square root of 3914220 is about 1978.4387784311. The cubic root of 3914220 is about 157.5971685612.

The spelling of 3914220 in words is "three million, nine hundred fourteen thousand, two hundred twenty".