2100673 has 8 divisors (see below), whose sum is σ = 2301480. Its totient is φ = 1908480.

The previous prime is 2100661. The next prime is 2100691. The reversal of 2100673 is 3760012.

It can be written as a sum of positive squares in 4 ways, for example, as 1192464 + 908209 = 1092^2 + 953^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2100673 - 2¹³ = 2092481 is a prime.

It is a Duffinian number.

2100673 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2100673.

It is not an unprimeable number, because it can be changed into a prime (2100173) 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, 1638 + ... + 2623.

It is an arithmetic number, because the mean of its divisors is an integer number (287685).

2^2100673 is an apocalyptic number.

It is an amenable number.

2100673 is a deficient number, since it is larger than the sum of its proper divisors (200807).

2100673 is a wasteful number, since it uses less digits than its factorization.

2100673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4307.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 2100673 is about 1449.3698630784. The cubic root of 2100673 is about 128.0715948754.

Adding to 2100673 its reverse (3760012), we get a palindrome (5860685).

The spelling of 2100673 in words is "two million, one hundred thousand, six hundred seventy-three".