4042998 has 12 divisors (see below), whose sum is σ = 8759868. Its totient is φ = 1347660.

The previous prime is 4042993. The next prime is 4043023. The reversal of 4042998 is 8992404.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112288 + ... + 112323.

It is an arithmetic number, because the mean of its divisors is an integer number (729989).

Almost surely, 2^4042998 is an apocalyptic number.

4042998 is an abundant number, since it is smaller than the sum of its proper divisors (4716870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4042998 is a wasteful number, since it uses less digits than its factorization.

4042998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224619 (or 224616 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 4042998 is about 2010.7207662925. The cubic root of 4042998 is about 159.3068714577.

The spelling of 4042998 in words is "four million, forty-two thousand, nine hundred ninety-eight".