2100672 has 84 divisors (see below), whose sum is σ = 6894576. Its totient is φ = 599040.

The previous prime is 2100661. The next prime is 2100691. The reversal of 2100672 is 2760012.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3772 + ... + 4292.

2^2100672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2100672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3447288).

2100672 is an abundant number, since it is smaller than the sum of its proper divisors (4793904).

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

2100672 is a wasteful number, since it uses less digits than its factorization.

2100672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 2100672 is about 1449.3695181009. The cubic root of 2100672 is about 128.0715745531.

Adding to 2100672 its reverse (2760012), we get a palindrome (4860684).

It can be divided in two parts, 2100 and 672, that added together give a palindrome (2772).

The spelling of 2100672 in words is "two million, one hundred thousand, six hundred seventy-two".