3981962 has 4 divisors (see below), whose sum is σ = 5972946. Its totient is φ = 1990980.

The previous prime is 3981959. The next prime is 3981973. The reversal of 3981962 is 2691893.

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

It can be written as a sum of positive squares in only one way, i.e., 3806401 + 175561 = 1951^2 + 419^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 995489 + ... + 995492.

Almost surely, 2^3981962 is an apocalyptic number.

3981962 is a deficient number, since it is larger than the sum of its proper divisors (1990984).

3981962 is a wasteful number, since it uses less digits than its factorization.

3981962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990983.

The product of its digits is 23328, while the sum is 38.

The square root of 3981962 is about 1995.4854046071. The cubic root of 3981962 is about 158.5011327859.

The spelling of 3981962 in words is "three million, nine hundred eighty-one thousand, nine hundred sixty-two".