3781284 has 24 divisors (see below), whose sum is σ = 9502080. Its totient is φ = 1163424.

The previous prime is 3781277. The next prime is 3781301. The reversal of 3781284 is 4821873.

3781284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 11964 + ... + 12275.

It is an arithmetic number, because the mean of its divisors is an integer number (395920).

Almost surely, 2^3781284 is an apocalyptic number.

It is an amenable number.

3781284 is an abundant number, since it is smaller than the sum of its proper divisors (5720796).

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

3781284 is a wasteful number, since it uses less digits than its factorization.

3781284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24259 (or 24257 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 3781284 is about 1944.5523906545. The cubic root of 3781284 is about 155.7924590546.

The spelling of 3781284 in words is "three million, seven hundred eighty-one thousand, two hundred eighty-four".