818449048 has 16 divisors (see below), whose sum is σ = 1534992480. Its totient is φ = 409117728.

The previous prime is 818449013. The next prime is 818449061. The reversal of 818449048 is 840944818.

It is a junction number, because it is equal to n+sod(n) for n = 818448989 and 818449007.

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, 26065 + ... + 48127.

It is an arithmetic number, because the mean of its divisors is an integer number (95937030).

Almost surely, 2^818449048 is an apocalyptic number.

It is an amenable number.

818449048 is a deficient number, since it is larger than the sum of its proper divisors (716543432).

818449048 is a wasteful number, since it uses less digits than its factorization.

818449048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26706 (or 26702 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 46.

The square root of 818449048 is about 28608.5485126387. The cubic root of 818449048 is about 935.3996777561.

The spelling of 818449048 in words is "eight hundred eighteen million, four hundred forty-nine thousand, forty-eight".