3984874 has 4 divisors (see below), whose sum is σ = 5977314. Its totient is φ = 1992436.

The previous prime is 3984859. The next prime is 3984917. The reversal of 3984874 is 4784893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4784893 = 53 ⋅90281.

It can be written as a sum of positive squares in only one way, i.e., 3553225 + 431649 = 1885^2 + 657^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3984874.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 996217 + ... + 996220.

Almost surely, 2^3984874 is an apocalyptic number.

3984874 is a deficient number, since it is larger than the sum of its proper divisors (1992440).

3984874 is a wasteful number, since it uses less digits than its factorization.

3984874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992439.

The product of its digits is 193536, while the sum is 43.

The square root of 3984874 is about 1996.2149182891. The cubic root of 3984874 is about 158.5397605472.

The spelling of 3984874 in words is "three million, nine hundred eighty-four thousand, eight hundred seventy-four".