813196446 has 16 divisors (see below), whose sum is σ = 1627784208. Its totient is φ = 270833600.

The previous prime is 813196427. The next prime is 813196451. The reversal of 813196446 is 644691318.

It is a super-2 number, since 2×813196446² = 1322576919574061832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 813196398 and 813196407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50295 + ... + 64466.

It is an arithmetic number, because the mean of its divisors is an integer number (101736513).

Almost surely, 2^813196446 is an apocalyptic number.

813196446 is an abundant number, since it is smaller than the sum of its proper divisors (814587762).

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

813196446 is a wasteful number, since it uses less digits than its factorization.

813196446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115947.

The product of its digits is 124416, while the sum is 42.

The square root of 813196446 is about 28516.5994817054. The cubic root of 813196446 is about 933.3943276749.

The spelling of 813196446 in words is "eight hundred thirteen million, one hundred ninety-six thousand, four hundred forty-six".