92216381 has 8 divisors (see below), whose sum is σ = 99912384. Its totient is φ = 84772800.

The previous prime is 92216359. The next prime is 92216387. The reversal of 92216381 is 18361229.

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 92216381 - 2¹⁴ = 92199997 is a prime.

It is a super-2 number, since 2×92216381² = 17007721849474322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92216387) 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, 62345 + ... + 63806.

It is an arithmetic number, because the mean of its divisors is an integer number (12489048).

Almost surely, 2^92216381 is an apocalyptic number.

It is an amenable number.

92216381 is a deficient number, since it is larger than the sum of its proper divisors (7696003).

92216381 is a wasteful number, since it uses less digits than its factorization.

92216381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126211.

The product of its digits is 5184, while the sum is 32.

The square root of 92216381 is about 9602.9360614345. The cubic root of 92216381 is about 451.7893871554.

The spelling of 92216381 in words is "ninety-two million, two hundred sixteen thousand, three hundred eighty-one".