813019346 has 8 divisors (see below), whose sum is σ = 1239521484. Its totient is φ = 399845520.

The previous prime is 813019327. The next prime is 813019369. The reversal of 813019346 is 643910318.

It can be written as a sum of positive squares in 2 ways, for example, as 804346321 + 8673025 = 28361^2 + 2945^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×813019346² = 1322000913940535432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3331925 + ... + 3332168.

Almost surely, 2^813019346 is an apocalyptic number.

813019346 is a deficient number, since it is larger than the sum of its proper divisors (426502138).

813019346 is a wasteful number, since it uses less digits than its factorization.

813019346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6664156.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 813019346 is about 28513.4941036696. The cubic root of 813019346 is about 933.3265637548.

The spelling of 813019346 in words is "eight hundred thirteen million, nineteen thousand, three hundred forty-six".