3774820 has 48 divisors (see below), whose sum is σ = 9233280. Its totient is φ = 1269504.

The previous prime is 3774817. The next prime is 3774871. The reversal of 3774820 is 284773.

3774820 is nontrivially palindromic in base 13.

3774820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8032 + ... + 8488.

It is an arithmetic number, because the mean of its divisors is an integer number (192360).

Almost surely, 2^3774820 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 3774820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4616640).

3774820 is an abundant number, since it is smaller than the sum of its proper divisors (5458460).

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

3774820 is a wasteful number, since it uses less digits than its factorization.

3774820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 3774820 is about 1942.8896005692. The cubic root of 3774820 is about 155.7036341266.

The spelling of 3774820 in words is "three million, seven hundred seventy-four thousand, eight hundred twenty".