2385438 has 32 divisors (see below), whose sum is σ = 5322240. Its totient is φ = 706560.

The previous prime is 2385433. The next prime is 2385451. The reversal of 2385438 is 8345832.

It is a Harshad number since it is a multiple of its sum of digits (33).

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

It is a junction number, because it is equal to n+sod(n) for n = 2385399 and 2385408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2385433) 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, 2718 + ... + 3486.

It is an arithmetic number, because the mean of its divisors is an integer number (166320).

2^2385438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2385438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2661120).

2385438 is an abundant number, since it is smaller than the sum of its proper divisors (2936802).

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

2385438 is a wasteful number, since it uses less digits than its factorization.

2385438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832.

The product of its digits is 23040, while the sum is 33.

The square root of 2385438 is about 1544.4863223739. The cubic root of 2385438 is about 133.6152548706.

The spelling of 2385438 in words is "two million, three hundred eighty-five thousand, four hundred thirty-eight".