3981022 has 8 divisors (see below), whose sum is σ = 5985000. Its totient is φ = 1986024.

The previous prime is 3981017. The next prime is 3981037. The reversal of 3981022 is 2201893.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997 + ... + 2992.

It is an arithmetic number, because the mean of its divisors is an integer number (748125).

Almost surely, 2^3981022 is an apocalyptic number.

3981022 is the 998-th decagonal number.

3981022 is a deficient number, since it is larger than the sum of its proper divisors (2003978).

3981022 is a wasteful number, since it uses less digits than its factorization.

3981022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4490.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 3981022 is about 1995.2498590402. The cubic root of 3981022 is about 158.4886596390.

The spelling of 3981022 in words is "three million, nine hundred eighty-one thousand, twenty-two".