2013830 has 32 divisors (see below), whose sum is σ = 4463424. Its totient is φ = 637056.

The previous prime is 2013821. The next prime is 2013833. The reversal of 2013830 is 383102.

It is a super-2 number, since 2×2013830² = 8111022537800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2013799 and 2013808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197 + ... + 2016.

It is an arithmetic number, because the mean of its divisors is an integer number (139482).

2^2013830 is an apocalyptic number.

2013830 is an abundant number, since it is smaller than the sum of its proper divisors (2449594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2013830 is a wasteful number, since it uses less digits than its factorization.

2013830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2013830 is about 1419.0947818944. The cubic root of 2013830 is about 126.2818499521.

Adding to 2013830 its reverse (383102), we get a palindrome (2396932).

The spelling of 2013830 in words is "two million, thirteen thousand, eight hundred thirty".