946480681 has 4 divisors (see below), whose sum is σ = 955164100. Its totient is φ = 937797264.

The previous prime is 946480679. The next prime is 946480721. The reversal of 946480681 is 186084649.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 186084649 = 347 ⋅536267.

It can be written as a sum of positive squares in 2 ways, for example, as 542470681 + 404010000 = 23291^2 + 20100^2 .

It is a cyclic number.

It is not a de Polignac number, because 946480681 - 2¹ = 946480679 is a prime.

It is a super-2 number, since 2×946480681² = 1791651359012447522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (946480621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4341546 + ... + 4341763.

It is an arithmetic number, because the mean of its divisors is an integer number (238791025).

Almost surely, 2^946480681 is an apocalyptic number.

It is an amenable number.

946480681 is a deficient number, since it is larger than the sum of its proper divisors (8683419).

946480681 is a wasteful number, since it uses less digits than its factorization.

946480681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8683418.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 946480681 is about 30764.9261497570. The cubic root of 946480681 is about 981.8321553097.

The spelling of 946480681 in words is "nine hundred forty-six million, four hundred eighty thousand, six hundred eighty-one".