2100746 has 12 divisors (see below), whose sum is σ = 3259026. Its totient is φ = 1015560.

The previous prime is 2100743. The next prime is 2100781. The reversal of 2100746 is 6470012.

It can be written as a sum of positive squares in only one way, i.e., 1177225 + 923521 = 1085^2 + 961^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2100743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1376 + ... + 2468.

2^2100746 is an apocalyptic number.

2100746 is a deficient number, since it is larger than the sum of its proper divisors (1158280).

2100746 is a wasteful number, since it uses less digits than its factorization.

2100746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157 (or 1126 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 2100746 is about 1449.3950462176. The cubic root of 2100746 is about 128.0730783870.

Adding to 2100746 its reverse (6470012), we get a palindrome (8570758).

The spelling of 2100746 in words is "two million, one hundred thousand, seven hundred forty-six".