92427921 has 6 divisors (see below), whose sum is σ = 133507010. Its totient is φ = 61618608.

The previous prime is 92427889. The next prime is 92427943. The reversal of 92427921 is 12972429.

It can be written as a sum of positive squares in only one way, i.e., 87160896 + 5267025 = 9336^2 + 2295^2 .

It is not a de Polignac number, because 92427921 - 2⁵ = 92427889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (92427971) by changing a digit.

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

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5134876 + ... + 5134893.

Almost surely, 2^92427921 is an apocalyptic number.

It is an amenable number.

92427921 is a deficient number, since it is larger than the sum of its proper divisors (41079089).

92427921 is a wasteful number, since it uses less digits than its factorization.

92427921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10269775 (or 10269772 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 92427921 is about 9613.9440917867. The cubic root of 92427921 is about 452.1345844695.

The spelling of 92427921 in words is "ninety-two million, four hundred twenty-seven thousand, nine hundred twenty-one".