9023998 has 8 divisors (see below), whose sum is σ = 13559040. Its totient is φ = 4504320.

The previous prime is 9023983. The next prime is 9023999. The reversal of 9023998 is 8993209.

It is a happy number.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 9023998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9023999) 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, 2238 + ... + 4801.

It is an arithmetic number, because the mean of its divisors is an integer number (1694880).

Almost surely, 2^9023998 is an apocalyptic number.

9023998 is a deficient number, since it is larger than the sum of its proper divisors (4535042).

9023998 is a wasteful number, since it uses less digits than its factorization.

9023998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7682.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 9023998 is about 3003.9970039932. The cubic root of 9023998 is about 208.1930991551.

It can be divided in two parts, 902 and 3998, that added together give a square (4900 = 70²).

The spelling of 9023998 in words is "nine million, twenty-three thousand, nine hundred ninety-eight".