1825782 has 32 divisors (see below), whose sum is σ = 4320000. Its totient is φ = 503328.

The previous prime is 1825781. The next prime is 1825787. The reversal of 1825782 is 2875281.

It is a super-4 number, since 4×1825782⁴ (a number of 26 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1825781) 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, 469 + ... + 1967.

It is an arithmetic number, because the mean of its divisors is an integer number (135000).

2^1825782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1825782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2160000).

1825782 is an abundant number, since it is smaller than the sum of its proper divisors (2494218).

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

1825782 is a wasteful number, since it uses less digits than its factorization.

1825782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540.

The product of its digits is 8960, while the sum is 33.

The square root of 1825782 is about 1351.2150087976. The cubic root of 1825782 is about 122.2220715639. Note that the first 3 decimals are identical.

The spelling of 1825782 in words is "one million, eight hundred twenty-five thousand, seven hundred eighty-two".