2100330 has 40 divisors (see below), whose sum is σ = 5649732. Its totient is φ = 559872.

The previous prime is 2100313. The next prime is 2100353. The reversal of 2100330 is 330012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2099601 + 729 = 1449^2 + 27^2 .

It is a super-2 number, since 2×2100330² = 8822772217800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

2100330 is a modest number, since divided by 330 gives 210 as remainder.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 487 + ... + 2106.

2^2100330 is an apocalyptic number.

2100330 is an abundant number, since it is smaller than the sum of its proper divisors (3549402).

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

2100330 is a wasteful number, since it uses less digits than its factorization.

2100330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612 (or 2603 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 2100330 is about 1449.2515309635. The cubic root of 2100330 is about 128.0646239430.

Adding to 2100330 its reverse (330012), we get a palindrome (2430342).

The spelling of 2100330 in words is "two million, one hundred thousand, three hundred thirty".