3981124 has 12 divisors (see below), whose sum is σ = 7962304. Its totient is φ = 1706184.

The previous prime is 3981119. The next prime is 3981137. The reversal of 3981124 is 4211893.

It is a happy number.

3981124 is an admirable number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 142183 = 3981124 / (3 + 9 + 8 + 1 + 1 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 3981092 and 3981101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71064 + ... + 71119.

Almost surely, 2^3981124 is an apocalyptic number.

It is an amenable number.

3981124 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3981124 is a wasteful number, since it uses less digits than its factorization.

3981124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142194 (or 142192 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 3981124 is about 1995.2754195850. The cubic root of 3981124 is about 158.4900132031.

The spelling of 3981124 in words is "three million, nine hundred eighty-one thousand, one hundred twenty-four".