3784491 has 6 divisors (see below), whose sum is σ = 5466500. Its totient is φ = 2522988.

The previous prime is 3784481. The next prime is 3784493. The reversal of 3784491 is 1944873.

It is a happy number.

It is not a de Polignac number, because 3784491 - 2⁶ = 3784427 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3784493) 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, 210241 + ... + 210258.

Almost surely, 2^3784491 is an apocalyptic number.

3784491 is a deficient number, since it is larger than the sum of its proper divisors (1682009).

3784491 is a wasteful number, since it uses less digits than its factorization.

3784491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420505 (or 420502 counting only the distinct ones).

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

The square root of 3784491 is about 1945.3768272497. The cubic root of 3784491 is about 155.8364904149.

The spelling of 3784491 in words is "three million, seven hundred eighty-four thousand, four hundred ninety-one".