92428681 has 4 divisors (see below), whose sum is σ = 93381652. Its totient is φ = 91475712.

The previous prime is 92428631. The next prime is 92428691. The reversal of 92428681 is 18682429.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28987456 + 63441225 = 5384^2 + 7965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-92428681 is a prime.

It is a super-2 number, since 2×92428681² = 17086122142799522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (92428601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476340 + ... + 476533.

It is an arithmetic number, because the mean of its divisors is an integer number (23345413).

Almost surely, 2^92428681 is an apocalyptic number.

It is an amenable number.

92428681 is a deficient number, since it is larger than the sum of its proper divisors (952971).

92428681 is an equidigital number, since it uses as much as digits as its factorization.

92428681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952970.

The product of its digits is 55296, while the sum is 40.

The square root of 92428681 is about 9613.9836176270. The cubic root of 92428681 is about 452.1358237103.

The spelling of 92428681 in words is "ninety-two million, four hundred twenty-eight thousand, six hundred eighty-one".