4041998 has 4 divisors (see below), whose sum is σ = 6063000. Its totient is φ = 2020998.

The previous prime is 4041979. The next prime is 4042001. The reversal of 4041998 is 8991404.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1010498 + ... + 1010501.

It is an arithmetic number, because the mean of its divisors is an integer number (1515750).

Almost surely, 2^4041998 is an apocalyptic number.

4041998 is a deficient number, since it is larger than the sum of its proper divisors (2021002).

4041998 is a wasteful number, since it uses less digits than its factorization.

4041998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021001.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 4041998 is about 2010.4720838649. The cubic root of 4041998 is about 159.2937359901.

The spelling of 4041998 in words is "four million, forty-one thousand, nine hundred ninety-eight".