946331047 has 4 divisors (see below), whose sum is σ = 959294560. Its totient is φ = 933367536.

The previous prime is 946331039. The next prime is 946331063. The reversal of 946331047 is 740133649.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740133649 = 31 ⋅23875279.

It is a cyclic number.

It is not a de Polignac number, because 946331047 - 2³ = 946331039 is a prime.

It is a super-2 number, since 2×946331047² = 1791084901032232418, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 946330997 and 946331015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (946331077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6481647 + ... + 6481792.

It is an arithmetic number, because the mean of its divisors is an integer number (239823640).

Almost surely, 2^946331047 is an apocalyptic number.

946331047 is a deficient number, since it is larger than the sum of its proper divisors (12963513).

946331047 is a wasteful number, since it uses less digits than its factorization.

946331047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12963512.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 946331047 is about 30762.4941609096. The cubic root of 946331047 is about 981.7804116173.

The spelling of 946331047 in words is "nine hundred forty-six million, three hundred thirty-one thousand, forty-seven".