813090326 has 4 divisors (see below), whose sum is σ = 1219635492. Its totient is φ = 406545162.

The previous prime is 813090323. The next prime is 813090329. The reversal of 813090326 is 623090318.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (813090323) and next prime (813090329).

It is a super-2 number, since 2×813090326² = 1322231756469572552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 813090292 and 813090301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813090323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203272580 + ... + 203272583.

It is an arithmetic number, because the mean of its divisors is an integer number (304908873).

Almost surely, 2^813090326 is an apocalyptic number.

813090326 is a deficient number, since it is larger than the sum of its proper divisors (406545166).

813090326 is a wasteful number, since it uses less digits than its factorization.

813090326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406545165.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 813090326 is about 28514.7387503375. The cubic root of 813090326 is about 933.3537240727.

The spelling of 813090326 in words is "eight hundred thirteen million, ninety thousand, three hundred twenty-six".