1825434 has 48 divisors (see below), whose sum is σ = 4422600. Its totient is φ = 540288.

The previous prime is 1825429. The next prime is 1825451. The reversal of 1825434 is 4345281.

It can be written as a sum of positive squares in 4 ways, for example, as 815409 + 1010025 = 903^2 + 1005^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1825398 and 1825407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6652 + ... + 6920.

2^1825434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1825434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2211300).

1825434 is an abundant number, since it is smaller than the sum of its proper divisors (2597166).

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

1825434 is a wasteful number, since it uses less digits than its factorization.

1825434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 316 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 1825434 is about 1351.0862296686. The cubic root of 1825434 is about 122.2143057621.

It can be divided in two parts, 18 and 25434, that added together give a palindrome (25452).

The spelling of 1825434 in words is "one million, eight hundred twenty-five thousand, four hundred thirty-four".