2043100 has 18 divisors (see below), whose sum is σ = 4433744. Its totient is φ = 817200.

The previous prime is 2043091. The next prime is 2043101. The reversal of 2043100 is 13402.

It is a super-2 number, since 2×2043100² = 8348515220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10116 + ... + 10315.

2^2043100 is an apocalyptic number.

2043100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2043100 is an abundant number, since it is smaller than the sum of its proper divisors (2390644).

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

2043100 is a wasteful number, since it uses less digits than its factorization.

2043100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20445 (or 20438 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2043100 is about 1429.3704908106. The cubic root of 2043100 is about 126.8907237827.

Adding to 2043100 its reverse (13402), we get a palindrome (2056502).

The spelling of 2043100 in words is "two million, forty-three thousand, one hundred".