4042291 has 8 divisors (see below), whose sum is σ = 4460400. Its totient is φ = 3632640.

The previous prime is 4042271. The next prime is 4042303. The reversal of 4042291 is 1922404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4042291 - 2⁷ = 4042163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4042211) 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, 1086 + ... + 3043.

It is an arithmetic number, because the mean of its divisors is an integer number (557550).

Almost surely, 2^4042291 is an apocalyptic number.

4042291 is a deficient number, since it is larger than the sum of its proper divisors (418109).

4042291 is a wasteful number, since it uses less digits than its factorization.

4042291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 4042291 is about 2010.5449510021. The cubic root of 4042291 is about 159.2975849065.

Adding to 4042291 its reverse (1922404), we get a palindrome (5964695).

The spelling of 4042291 in words is "four million, forty-two thousand, two hundred ninety-one".