2018998 has 4 divisors (see below), whose sum is σ = 3028500. Its totient is φ = 1009498.

The previous prime is 2018993. The next prime is 2019001. The reversal of 2018998 is 8998102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504748 + ... + 504751.

It is an arithmetic number, because the mean of its divisors is an integer number (757125).

2^2018998 is an apocalyptic number.

2018998 is a deficient number, since it is larger than the sum of its proper divisors (1009502).

2018998 is a wasteful number, since it uses less digits than its factorization.

2018998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009501.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 2018998 is about 1420.9144942607. The cubic root of 2018998 is about 126.3897814604.

The spelling of 2018998 in words is "two million, eighteen thousand, nine hundred ninety-eight".