3784845 has 8 divisors (see below), whose sum is σ = 6055776. Its totient is φ = 2018576.

The previous prime is 3784813. The next prime is 3784849. The reversal of 3784845 is 5484873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3784845 - 2⁵ = 3784813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3784849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126147 + ... + 126176.

It is an arithmetic number, because the mean of its divisors is an integer number (756972).

Almost surely, 2^3784845 is an apocalyptic number.

It is an amenable number.

3784845 is a deficient number, since it is larger than the sum of its proper divisors (2270931).

3784845 is a wasteful number, since it uses less digits than its factorization.

3784845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252331.

The product of its digits is 107520, while the sum is 39.

The square root of 3784845 is about 1945.4678100652. The cubic root of 3784845 is about 155.8413492275.

The spelling of 3784845 in words is "three million, seven hundred eighty-four thousand, eight hundred forty-five".