2099628 has 24 divisors (see below), whose sum is σ = 5443760. Its totient is φ = 699840.

The previous prime is 2099627. The next prime is 2099641. The reversal of 2099628 is 8269902.

2099628 is a `hidden beast` number, since 20 + 9 + 9 + 628 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2099592 and 2099601.

It is not an unprimeable number, because it can be changed into a prime (2099623) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9613 + ... + 9828.

2^2099628 is an apocalyptic number.

It is an amenable number.

2099628 is an abundant number, since it is smaller than the sum of its proper divisors (3344132).

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

2099628 is a wasteful number, since it uses less digits than its factorization.

2099628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19454 (or 19446 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 2099628 is about 1449.0093167402. The cubic root of 2099628 is about 128.0503545371.

The spelling of 2099628 in words is "two million, ninety-nine thousand, six hundred twenty-eight".