813450232 has 64 divisors (see below), whose sum is σ = 1811160000. Its totient is φ = 335118336.

The previous prime is 813450227. The next prime is 813450251. The reversal of 813450232 is 232054318.

813450232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 813450232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416394 + ... + 418342.

It is an arithmetic number, because the mean of its divisors is an integer number (28299375).

Almost surely, 2^813450232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 813450232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (905580000).

813450232 is an abundant number, since it is smaller than the sum of its proper divisors (997709768).

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

813450232 is a wasteful number, since it uses less digits than its factorization.

813450232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248 (or 2244 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 813450232 is about 28521.0489288175. The cubic root of 813450232 is about 933.4914168738.

The spelling of 813450232 in words is "eight hundred thirteen million, four hundred fifty thousand, two hundred thirty-two".