2115234 has 40 divisors (see below), whose sum is σ = 5174928. Its totient is φ = 640440.

The previous prime is 2115233. The next prime is 2115277. The reversal of 2115234 is 4325112.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2115233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1189 + ... + 2375.

2^2115234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2115234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2587464).

2115234 is an abundant number, since it is smaller than the sum of its proper divisors (3059694).

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

2115234 is a wasteful number, since it uses less digits than its factorization.

2115234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212 (or 1203 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 2115234 is about 1454.3844058570. The cubic root of 2115234 is about 128.3668269617.

It can be divided in two parts, 211 and 5234, that added together give a palindrome (5445).

The spelling of 2115234 in words is "two million, one hundred fifteen thousand, two hundred thirty-four".