946046989 has 4 divisors (see below), whose sum is σ = 952072924. Its totient is φ = 940021056.

The previous prime is 946046977. The next prime is 946047001. The reversal of 946046989 is 989640649.

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 (946046977) and next prime (946047001).

It can be written as a sum of positive squares in 2 ways, for example, as 458388100 + 487658889 = 21410^2 + 22083^2 .

It is a cyclic number.

It is not a de Polignac number, because 946046989 - 2¹⁹ = 945522701 is a prime.

It is a super-2 number, since 2×946046989² = 1790009810791932242, 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 (946046929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3012732 + ... + 3013045.

It is an arithmetic number, because the mean of its divisors is an integer number (238018231).

Almost surely, 2^946046989 is an apocalyptic number.

It is an amenable number.

946046989 is a deficient number, since it is larger than the sum of its proper divisors (6025935).

946046989 is a wasteful number, since it uses less digits than its factorization.

946046989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6025934.

The product of its (nonzero) digits is 3359232, while the sum is 55.

The square root of 946046989 is about 30757.8768610579. The cubic root of 946046989 is about 981.6821688689.

The spelling of 946046989 in words is "nine hundred forty-six million, forty-six thousand, nine hundred eighty-nine".