18825396 has 48 divisors (see below), whose sum is σ = 45638208. Its totient is φ = 6035200.

The previous prime is 18825383. The next prime is 18825397. The reversal of 18825396 is 69352881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18825397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40606 + ... + 41066.

It is an arithmetic number, because the mean of its divisors is an integer number (950796).

Almost surely, 2^18825396 is an apocalyptic number.

It is an amenable number.

18825396 is an abundant number, since it is smaller than the sum of its proper divisors (26812812).

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

18825396 is a wasteful number, since it uses less digits than its factorization.

18825396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592 (or 590 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 18825396 is about 4338.8242647058. The cubic root of 18825396 is about 266.0202558679.

The spelling of 18825396 in words is "eighteen million, eight hundred twenty-five thousand, three hundred ninety-six".