4571998 has 8 divisors (see below), whose sum is σ = 6928992. Its totient is φ = 2262336.

The previous prime is 4571971. The next prime is 4571999. The reversal of 4571998 is 8991754.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4571999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11590 + ... + 11977.

It is an arithmetic number, because the mean of its divisors is an integer number (866124).

Almost surely, 2^4571998 is an apocalyptic number.

4571998 is a deficient number, since it is larger than the sum of its proper divisors (2356994).

4571998 is a wasteful number, since it uses less digits than its factorization.

4571998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23666.

The product of its digits is 90720, while the sum is 43.

The square root of 4571998 is about 2138.2230940667. The cubic root of 4571998 is about 165.9721974050.

The spelling of 4571998 in words is "four million, five hundred seventy-one thousand, nine hundred ninety-eight".