2100850 has 12 divisors (see below), whose sum is σ = 3907674. Its totient is φ = 840320.

The previous prime is 2100841. The next prime is 2100859. The reversal of 2100850 is 580012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2100841) and next prime (2100859).

It can be written as a sum of positive squares in 3 ways, for example, as 1138489 + 962361 = 1067^2 + 981^2 .

It is not an unprimeable number, because it can be changed into a prime (2100859) 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, 20959 + ... + 21058.

2^2100850 is an apocalyptic number.

2100850 is a deficient number, since it is larger than the sum of its proper divisors (1806824).

2100850 is a wasteful number, since it uses less digits than its factorization.

2100850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42029 (or 42024 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 2100850 is about 1449.4309228107. The cubic root of 2100850 is about 128.0751918236.

Adding to 2100850 its reverse (580012), we get a palindrome (2680862).

The spelling of 2100850 in words is "two million, one hundred thousand, eight hundred fifty".