2100238 has 24 divisors (see below), whose sum is σ = 3796200. Its totient is φ = 867888.

The previous prime is 2100229. The next prime is 2100239. The reversal of 2100238 is 8320012.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2473 + ... + 3211.

It is an arithmetic number, because the mean of its divisors is an integer number (158175).

2^2100238 is an apocalyptic number.

2100238 is a deficient number, since it is larger than the sum of its proper divisors (1695962).

2100238 is a wasteful number, since it uses less digits than its factorization.

2100238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784 (or 777 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2100238 is about 1449.2197900940. The cubic root of 2100238 is about 128.0627540595.

The spelling of 2100238 in words is "two million, one hundred thousand, two hundred thirty-eight".