3881974 has 4 divisors (see below), whose sum is σ = 5822964. Its totient is φ = 1940986.

The previous prime is 3881959. The next prime is 3881987. The reversal of 3881974 is 4791883.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 970492 + ... + 970495.

It is an arithmetic number, because the mean of its divisors is an integer number (1455741).

Almost surely, 2^3881974 is an apocalyptic number.

3881974 is a deficient number, since it is larger than the sum of its proper divisors (1940990).

3881974 is a wasteful number, since it uses less digits than its factorization.

3881974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940989.

The product of its digits is 48384, while the sum is 40.

The square root of 3881974 is about 1970.2725699760. The cubic root of 3881974 is about 157.1632040556.

Subtracting 3881974 from its reverse (4791883), we obtain a palindrome (909909).

The spelling of 3881974 in words is "three million, eight hundred eighty-one thousand, nine hundred seventy-four".