818425948 has 12 divisors (see below), whose sum is σ = 1440248040. Its totient is φ = 406926512.

The previous prime is 818425901. The next prime is 818425961. The reversal of 818425948 is 849524818.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 570811 + ... + 572242.

It is an arithmetic number, because the mean of its divisors is an integer number (120020670).

Almost surely, 2^818425948 is an apocalyptic number.

It is an amenable number.

818425948 is a deficient number, since it is larger than the sum of its proper divisors (621822092).

818425948 is a wasteful number, since it uses less digits than its factorization.

818425948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143236 (or 1143234 counting only the distinct ones).

The product of its digits is 737280, while the sum is 49.

The square root of 818425948 is about 28608.1447843092. The cubic root of 818425948 is about 935.3908773973.

The spelling of 818425948 in words is "eight hundred eighteen million, four hundred twenty-five thousand, nine hundred forty-eight".