4191982 has 16 divisors (see below), whose sum is σ = 6508512. Its totient is φ = 2023840.

The previous prime is 4191973. The next prime is 4191983. The reversal of 4191982 is 2891914.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4191983) 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, 7248 + ... + 7804.

It is an arithmetic number, because the mean of its divisors is an integer number (406782).

Almost surely, 2^4191982 is an apocalyptic number.

4191982 is a deficient number, since it is larger than the sum of its proper divisors (2316530).

4191982 is a wasteful number, since it uses less digits than its factorization.

4191982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683.

The product of its digits is 5184, while the sum is 34.

The square root of 4191982 is about 2047.4330269877. The cubic root of 4191982 is about 161.2401287950.

It can be divided in two parts, 419 and 1982, that added together give a 4-th power (2401 = 7⁴).

The spelling of 4191982 in words is "four million, one hundred ninety-one thousand, nine hundred eighty-two".