2018530 has 16 divisors (see below), whose sum is σ = 3685824. Its totient is φ = 795760.

The previous prime is 2018507. The next prime is 2018531. The reversal of 2018530 is 358102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2018498 and 2018507.

It is not an unprimeable number, because it can be changed into a prime (2018531) 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, 712 + ... + 2131.

It is an arithmetic number, because the mean of its divisors is an integer number (230364).

2^2018530 is an apocalyptic number.

2018530 is a deficient number, since it is larger than the sum of its proper divisors (1667294).

2018530 is a wasteful number, since it uses less digits than its factorization.

2018530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2921.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2018530 is about 1420.7498020412. The cubic root of 2018530 is about 126.3800150666.

It can be divided in two parts, 20185 and 30, that multiplied together give a triangular number (605550 = T₁₁₀₀).

The spelling of 2018530 in words is "two million, eighteen thousand, five hundred thirty".