3784425 has 12 divisors (see below), whose sum is σ = 6257040. Its totient is φ = 2018320.

The previous prime is 3784411. The next prime is 3784427. The reversal of 3784425 is 5244873.

It is not a de Polignac number, because 3784425 - 2⁸ = 3784169 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3784427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25155 + ... + 25304.

It is an arithmetic number, because the mean of its divisors is an integer number (521420).

Almost surely, 2^3784425 is an apocalyptic number.

It is an amenable number.

3784425 is a deficient number, since it is larger than the sum of its proper divisors (2472615).

3784425 is a wasteful number, since it uses less digits than its factorization.

3784425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50472 (or 50467 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 3784425 is about 1945.3598638812. The cubic root of 3784425 is about 155.8355845011.

The spelling of 3784425 in words is "three million, seven hundred eighty-four thousand, four hundred twenty-five".