946738681 has 8 divisors (see below), whose sum is σ = 1082214464. Its totient is φ = 811319760.

The previous prime is 946738651. The next prime is 946738693. The reversal of 946738681 is 186837649.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 946738681 - 2¹³ = 946730489 is a prime.

It is a super-2 number, since 2×946738681² = 1792628260203239522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (946738651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31111 + ... + 53491.

It is an arithmetic number, because the mean of its divisors is an integer number (135276808).

Almost surely, 2^946738681 is an apocalyptic number.

It is an amenable number.

946738681 is a deficient number, since it is larger than the sum of its proper divisors (135475783).

946738681 is a wasteful number, since it uses less digits than its factorization.

946738681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28431.

The product of its digits is 1741824, while the sum is 52.

The square root of 946738681 is about 30769.1189506622. The cubic root of 946738681 is about 981.9213593431.

The spelling of 946738681 in words is "nine hundred forty-six million, seven hundred thirty-eight thousand, six hundred eighty-one".