942920681 has 8 divisors (see below), whose sum is σ = 959243904. Its totient is φ = 926663760.

The previous prime is 942920669. The next prime is 942920689. The reversal of 942920681 is 186029249.

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 942920681 - 2¹⁰ = 942919657 is a prime.

It is a super-2 number, since 2×942920681² = 1778198821315007522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (942920689) 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, 12551 + ... + 45203.

It is an arithmetic number, because the mean of its divisors is an integer number (119905488).

Almost surely, 2^942920681 is an apocalyptic number.

It is an amenable number.

942920681 is a deficient number, since it is larger than the sum of its proper divisors (16323223).

942920681 is a wasteful number, since it uses less digits than its factorization.

942920681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33151.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 942920681 is about 30707.0135473966. The cubic root of 942920681 is about 980.5996195080.

The spelling of 942920681 in words is "nine hundred forty-two million, nine hundred twenty thousand, six hundred eighty-one".