813343552 has 140 divisors (see below), whose sum is σ = 1935154880. Its totient is φ = 339026688.

The previous prime is 813343547. The next prime is 813343633. The reversal of 813343552 is 255343318.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10295449 + ... + 10295527.

Almost surely, 2^813343552 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 813343552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (967577440).

813343552 is an abundant number, since it is smaller than the sum of its proper divisors (1121811328).

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

813343552 is an frugal number, since it uses more digits than its factorization.

813343552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 155 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 813343552 is about 28519.1786698004. The cubic root of 813343552 is about 933.4506074860.

The spelling of 813343552 in words is "eight hundred thirteen million, three hundred forty-three thousand, five hundred fifty-two".