2018990 has 16 divisors (see below), whose sum is σ = 3672000. Its totient is φ = 799200.

The previous prime is 2018987. The next prime is 2018993. The reversal of 2018990 is 998102.

It is an interprime number because it is at equal distance from previous prime (2018987) and next prime (2018993).

It is a Curzon number.

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 in 7 ways as a sum of consecutive naturals, for example, 11 + ... + 2009.

It is an arithmetic number, because the mean of its divisors is an integer number (229500).

2^2018990 is an apocalyptic number.

2018990 is a deficient number, since it is larger than the sum of its proper divisors (1653010).

2018990 is a wasteful number, since it uses less digits than its factorization.

2018990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 2018990 is about 1420.9116791694. The cubic root of 2018990 is about 126.3896145262.

The spelling of 2018990 in words is "two million, eighteen thousand, nine hundred ninety".