942681 has 4 divisors (see below), whose sum is σ = 1256912. Its totient is φ = 628452.

The previous prime is 942661. The next prime is 942691. The reversal of 942681 is 186249.

942681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 942681 - 2⁹ = 942169 is a prime.

It is a super-2 number, since 2×942681² = 1777294935522, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (942661) 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, 157111 + ... + 157116.

It is an arithmetic number, because the mean of its divisors is an integer number (314228).

2⁹⁴²⁶⁸¹ is an apocalyptic number.

It is an amenable number.

942681 is a deficient number, since it is larger than the sum of its proper divisors (314231).

942681 is a wasteful number, since it uses less digits than its factorization.

942681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314230.

The product of its digits is 3456, while the sum is 30.

The square root of 942681 is about 970.9176072149. The cubic root of 942681 is about 98.0516526264.

It can be divided in two parts, 94 and 2681, that added together give a triangular number (2775 = T₇₄).

The spelling of 942681 in words is "nine hundred forty-two thousand, six hundred eighty-one".