1825394 has 8 divisors (see below), whose sum is σ = 2752860. Its totient is φ = 907776.

The previous prime is 1825391. The next prime is 1825403. The reversal of 1825394 is 4935281.

It can be written as a sum of positive squares in 2 ways, for example, as 1471369 + 354025 = 1213^2 + 595^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1825394.

It is not an unprimeable number, because it can be changed into a prime (1825391) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1979 + ... + 2750.

2^1825394 is an apocalyptic number.

1825394 is a deficient number, since it is larger than the sum of its proper divisors (927466).

1825394 is a wasteful number, since it uses less digits than its factorization.

1825394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4924.

The product of its digits is 8640, while the sum is 32.

The square root of 1825394 is about 1351.0714266833. The cubic root of 1825394 is about 122.2134130780.

The spelling of 1825394 in words is "one million, eight hundred twenty-five thousand, three hundred ninety-four".