3941784 has 160 divisors (see below), whose sum is σ = 13939200. Its totient is φ = 1010880.

The previous prime is 3941741. The next prime is 3941801. The reversal of 3941784 is 4871493.

It is a happy number.

It is a super-2 number, since 2×3941784² = 31075322205312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 49857 + ... + 49935.

It is an arithmetic number, because the mean of its divisors is an integer number (87120).

Almost surely, 2^3941784 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 3941784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6969600).

3941784 is an abundant number, since it is smaller than the sum of its proper divisors (9997416).

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

3941784 is a wasteful number, since it uses less digits than its factorization.

3941784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 102 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 3941784 is about 1985.3926563781. The cubic root of 3941784 is about 157.9662375117.

The spelling of 3941784 in words is "three million, nine hundred forty-one thousand, seven hundred eighty-four".