3884247 has 16 divisors (see below), whose sum is σ = 5786880. Its totient is φ = 2574936.

The previous prime is 3884239. The next prime is 3884261. The reversal of 3884247 is 7424883.

It is not a de Polignac number, because 3884247 - 2³ = 3884239 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3884267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6828 + ... + 7374.

It is an arithmetic number, because the mean of its divisors is an integer number (361680).

Almost surely, 2^3884247 is an apocalyptic number.

3884247 is a deficient number, since it is larger than the sum of its proper divisors (1902633).

3884247 is a wasteful number, since it uses less digits than its factorization.

3884247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819 (or 813 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 3884247 is about 1970.8493093080. The cubic root of 3884247 is about 157.1938724958.

The spelling of 3884247 in words is "three million, eight hundred eighty-four thousand, two hundred forty-seven".