2423826 has 36 divisors (see below), whose sum is σ = 5623722. Its totient is φ = 751872.

The previous prime is 2423821. The next prime is 2423831. The reversal of 2423826 is 6283242.

It is an interprime number because it is at equal distance from previous prime (2423821) and next prime (2423831).

It can be written as a sum of positive squares in 3 ways, for example, as 1703025 + 720801 = 1305^2 + 849^2 .

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2423826.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2423821) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27190 + ... + 27278.

2^2423826 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2423826, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2811861).

2423826 is an abundant number, since it is smaller than the sum of its proper divisors (3199896).

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

2423826 is a wasteful number, since it uses less digits than its factorization.

2423826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 111 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 2423826 is about 1556.8641559237. The cubic root of 2423826 is about 134.3281849539.

It can be divided in two parts, 2423 and 826, that added together give a square (3249 = 57²).

The spelling of 2423826 in words is "two million, four hundred twenty-three thousand, eight hundred twenty-six".