4121982 has 16 divisors (see below), whose sum is σ = 9160080. Its totient is φ = 1373976.

The previous prime is 4121959. The next prime is 4121987. The reversal of 4121982 is 2891214.

It is a hoax number, since the sum of its digits (27) 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 (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38113 + ... + 38220.

It is an arithmetic number, because the mean of its divisors is an integer number (572505).

Almost surely, 2^4121982 is an apocalyptic number.

4121982 is an abundant number, since it is smaller than the sum of its proper divisors (5038098).

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

4121982 is a wasteful number, since it uses less digits than its factorization.

4121982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76344 (or 76338 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 4121982 is about 2030.2664849719. The cubic root of 4121982 is about 160.3375944780.

The spelling of 4121982 in words is "four million, one hundred twenty-one thousand, nine hundred eighty-two".