4042285 has 8 divisors (see below), whose sum is σ = 5223960. Its totient is φ = 2985024.

The previous prime is 4042271. The next prime is 4042303. The reversal of 4042285 is 5822404.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 30276 + 4012009 = 174^2 + 2003^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4042285 - 2⁵ = 4042253 is a prime.

4042285 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31030 + ... + 31159.

It is an arithmetic number, because the mean of its divisors is an integer number (652995).

Almost surely, 2^4042285 is an apocalyptic number.

It is an amenable number.

4042285 is a deficient number, since it is larger than the sum of its proper divisors (1181675).

4042285 is a wasteful number, since it uses less digits than its factorization.

4042285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62207.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 4042285 is about 2010.5434588688. The cubic root of 4042285 is about 159.2975060910.

Adding to 4042285 its reverse (5822404), we get a palindrome (9864689).

The spelling of 4042285 in words is "four million, forty-two thousand, two hundred eighty-five".