3958984 has 8 divisors (see below), whose sum is σ = 7423110. Its totient is φ = 1979488.

The previous prime is 3958957. The next prime is 3959003. The reversal of 3958984 is 4898593.

It can be written as a sum of positive squares in only one way, i.e., 3572100 + 386884 = 1890^2 + 622^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247429 + ... + 247444.

Almost surely, 2^3958984 is an apocalyptic number.

It is an amenable number.

3958984 is a deficient number, since it is larger than the sum of its proper divisors (3464126).

3958984 is a wasteful number, since it uses less digits than its factorization.

3958984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494879 (or 494875 counting only the distinct ones).

The product of its digits is 311040, while the sum is 46.

The square root of 3958984 is about 1989.7195782321. The cubic root of 3958984 is about 158.1956663631.

The spelling of 3958984 in words is "three million, nine hundred fifty-eight thousand, nine hundred eighty-four".