4042371 has 4 divisors (see below), whose sum is σ = 5389832. Its totient is φ = 2694912.

The previous prime is 4042343. The next prime is 4042391. The reversal of 4042371 is 1732404.

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

It is not a de Polignac number, because 4042371 - 2¹⁰ = 4041347 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4042331) by changing a digit.

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, 673726 + ... + 673731.

It is an arithmetic number, because the mean of its divisors is an integer number (1347458).

Almost surely, 2^4042371 is an apocalyptic number.

4042371 is a deficient number, since it is larger than the sum of its proper divisors (1347461).

4042371 is a wasteful number, since it uses less digits than its factorization.

4042371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347460.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 4042371 is about 2010.5648460072. The cubic root of 4042371 is about 159.2986357729.

Adding to 4042371 its reverse (1732404), we get a palindrome (5774775).

It can be divided in two parts, 404 and 2371, that added together give a triangular number (2775 = T₇₄).

The spelling of 4042371 in words is "four million, forty-two thousand, three hundred seventy-one".