4082842 has 4 divisors (see below), whose sum is σ = 6124266. Its totient is φ = 2041420.

The previous prime is 4082831. The next prime is 4082849. The reversal of 4082842 is 2482804.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2621161 + 1461681 = 1619^2 + 1209^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4082842.

It is not an unprimeable number, because it can be changed into a prime (4082849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020709 + ... + 1020712.

Almost surely, 2^4082842 is an apocalyptic number.

4082842 is a deficient number, since it is larger than the sum of its proper divisors (2041424).

4082842 is a wasteful number, since it uses less digits than its factorization.

4082842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041423.

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 4082842 is about 2020.6043650354. The cubic root of 4082842 is about 159.8284880886.

The spelling of 4082842 in words is "four million, eighty-two thousand, eight hundred forty-two".