3982158 has 24 divisors (see below), whose sum is σ = 8679528. Its totient is φ = 1319472.

The previous prime is 3982157. The next prime is 3982171. The reversal of 3982158 is 8512893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3982157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2985 + ... + 4107.

It is an arithmetic number, because the mean of its divisors is an integer number (361647).

Almost surely, 2^3982158 is an apocalyptic number.

3982158 is an abundant number, since it is smaller than the sum of its proper divisors (4697370).

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

3982158 is a wasteful number, since it uses less digits than its factorization.

3982158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328 (or 1325 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 3982158 is about 1995.5345148606. The cubic root of 3982158 is about 158.5037333224.

It can be divided in two parts, 398 and 2158, that added together give a triangular number (2556 = T₇₁).

The spelling of 3982158 in words is "three million, nine hundred eighty-two thousand, one hundred fifty-eight".