3981190 has 8 divisors (see below), whose sum is σ = 7166160. Its totient is φ = 1592472.

The previous prime is 3981181. The next prime is 3981191. The reversal of 3981190 is 911893.

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

It is a super-2 number, since 2×3981190² = 31699747632200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3981191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199050 + ... + 199069.

It is an arithmetic number, because the mean of its divisors is an integer number (895770).

Almost surely, 2^3981190 is an apocalyptic number.

3981190 is a deficient number, since it is larger than the sum of its proper divisors (3184970).

3981190 is a wasteful number, since it uses less digits than its factorization.

3981190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398126.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 3981190 is about 1995.2919585865. The cubic root of 3981190 is about 158.4908890264.

The spelling of 3981190 in words is "three million, nine hundred eighty-one thousand, one hundred ninety".