2105238 has 32 divisors (see below), whose sum is σ = 4521600. Its totient is φ = 651456.

The previous prime is 2105231. The next prime is 2105251. The reversal of 2105238 is 8325012.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6570 + ... + 6882.

It is an arithmetic number, because the mean of its divisors is an integer number (141300).

2^2105238 is an apocalyptic number.

2105238 is an abundant number, since it is smaller than the sum of its proper divisors (2416362).

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

2105238 is a wasteful number, since it uses less digits than its factorization.

2105238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2105238 is about 1450.9438307529. The cubic root of 2105238 is about 128.1642991087.

The spelling of 2105238 in words is "two million, one hundred five thousand, two hundred thirty-eight".