2029818 has 32 divisors (see below), whose sum is σ = 4792320. Its totient is φ = 560880.

The previous prime is 2029813. The next prime is 2029829. The reversal of 2029818 is 8189202.

It is a super-2 number, since 2×2029818² = 8240322226248, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2029813) 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, 523 + ... + 2081.

It is an arithmetic number, because the mean of its divisors is an integer number (149760).

2^2029818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2029818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2396160).

2029818 is an abundant number, since it is smaller than the sum of its proper divisors (2762502).

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

2029818 is a wasteful number, since it uses less digits than its factorization.

2029818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 2029818 is about 1424.7168139669. The cubic root of 2029818 is about 126.6151575731.

The spelling of 2029818 in words is "two million, twenty-nine thousand, eight hundred eighteen".