3881427 has 8 divisors (see below), whose sum is σ = 5645760. Its totient is φ = 2352360.

The previous prime is 3881419. The next prime is 3881431. The reversal of 3881427 is 7241883.

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

It is not a de Polignac number, because 3881427 - 2³ = 3881419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 117619 = 3881427 / (3 + 8 + 8 + 1 + 4 + 2 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3881407) 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, 58777 + ... + 58842.

It is an arithmetic number, because the mean of its divisors is an integer number (705720).

Almost surely, 2^3881427 is an apocalyptic number.

3881427 is a deficient number, since it is larger than the sum of its proper divisors (1764333).

3881427 is a wasteful number, since it uses less digits than its factorization.

3881427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117633.

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

The square root of 3881427 is about 1970.1337518047. The cubic root of 3881427 is about 157.1558218741.

The spelling of 3881427 in words is "three million, eight hundred eighty-one thousand, four hundred twenty-seven".