3774784 has 42 divisors (see below), whose sum is σ = 8134350. Its totient is φ = 1737216.

The previous prime is 3774781. The next prime is 3774809. The reversal of 3774784 is 4874773.

It can be written as a sum of positive squares in 3 ways, for example, as 57600 + 3717184 = 240^2 + 1928^2 .

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3774781) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10642 + ... + 10990.

It is an arithmetic number, because the mean of its divisors is an integer number (193675).

Almost surely, 2^3774784 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 3774784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4067175).

3774784 is an abundant number, since it is smaller than the sum of its proper divisors (4359566).

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

3774784 is a wasteful number, since it uses less digits than its factorization.

3774784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 364 counting only the distinct ones).

The product of its digits is 131712, while the sum is 40.

The square root of 3774784 is about 1942.8803359960. The cubic root of 3774784 is about 155.7031391494.

The spelling of 3774784 in words is "three million, seven hundred seventy-four thousand, seven hundred eighty-four".