4042894 has 16 divisors (see below), whose sum is σ = 6376320. Its totient is φ = 1918840.

The previous prime is 4042891. The next prime is 4042901. The reversal of 4042894 is 4982404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042891) 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, 7989 + ... + 8479.

It is an arithmetic number, because the mean of its divisors is an integer number (398520).

Almost surely, 2^4042894 is an apocalyptic number.

4042894 is a deficient number, since it is larger than the sum of its proper divisors (2333426).

4042894 is a wasteful number, since it uses less digits than its factorization.

4042894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 4042894 is about 2010.6949047531. The cubic root of 4042894 is about 159.3055054700.

The spelling of 4042894 in words is "four million, forty-two thousand, eight hundred ninety-four".