4042870 has 32 divisors (see below), whose sum is σ = 7928928. Its totient is φ = 1475328.

The previous prime is 4042859. The next prime is 4042873. The reversal of 4042870 is 782404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042873) 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 15 ways as a sum of consecutive naturals, for example, 17697 + ... + 17923.

It is an arithmetic number, because the mean of its divisors is an integer number (247779).

Almost surely, 2^4042870 is an apocalyptic number.

4042870 is a deficient number, since it is larger than the sum of its proper divisors (3886058).

4042870 is a wasteful number, since it uses less digits than its factorization.

4042870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 4042870 is about 2010.6889366583. The cubic root of 4042870 is about 159.3051902388.

The spelling of 4042870 in words is "four million, forty-two thousand, eight hundred seventy".