946810813 has 8 divisors (see below), whose sum is σ = 1032550400. Its totient is φ = 862915248.

The previous prime is 946810811. The next prime is 946810849. The reversal of 946810813 is 318018649.

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

It is not a de Polignac number, because 946810813 - 2¹ = 946810811 is a prime.

It is a super-2 number, since 2×946810813² = 1792901431227441938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (946810811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459933 + ... + 461986.

It is an arithmetic number, because the mean of its divisors is an integer number (129068800).

Almost surely, 2^946810813 is an apocalyptic number.

It is an amenable number.

946810813 is a deficient number, since it is larger than the sum of its proper divisors (85739587).

946810813 is a wasteful number, since it uses less digits than its factorization.

946810813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922011.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 946810813 is about 30770.2910775963. The cubic root of 946810813 is about 981.9462962323.

The spelling of 946810813 in words is "nine hundred forty-six million, eight hundred ten thousand, eight hundred thirteen".