813450948 has 12 divisors (see below), whose sum is σ = 1898052240. Its totient is φ = 271150312.

The previous prime is 813450917. The next prime is 813450973. The reversal of 813450948 is 849054318.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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, 33893778 + ... + 33893801.

It is an arithmetic number, because the mean of its divisors is an integer number (158171020).

Almost surely, 2^813450948 is an apocalyptic number.

It is an amenable number.

813450948 is an abundant number, since it is smaller than the sum of its proper divisors (1084601292).

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

813450948 is a wasteful number, since it uses less digits than its factorization.

813450948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67787586 (or 67787584 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 813450948 is about 28521.0614809477. The cubic root of 813450948 is about 933.4916907606.

The spelling of 813450948 in words is "eight hundred thirteen million, four hundred fifty thousand, nine hundred forty-eight".