92089991 has 16 divisors (see below), whose sum is σ = 108475200. Its totient is φ = 76547328.

The previous prime is 92089939. The next prime is 92089997. The reversal of 92089991 is 19998029.

It is a cyclic number.

It is not a de Polignac number, because 92089991 - 2⁶ = 92089927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92089997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31625 + ... + 34413.

It is an arithmetic number, because the mean of its divisors is an integer number (6779700).

Almost surely, 2^92089991 is an apocalyptic number.

92089991 is a deficient number, since it is larger than the sum of its proper divisors (16385209).

92089991 is a wasteful number, since it uses less digits than its factorization.

92089991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938.

The product of its (nonzero) digits is 104976, while the sum is 47.

The square root of 92089991 is about 9596.3530051786. The cubic root of 92089991 is about 451.5828881676.

The spelling of 92089991 in words is "ninety-two million, eighty-nine thousand, nine hundred ninety-one".