92640193 has 8 divisors (see below), whose sum is σ = 95644328. Its totient is φ = 89662464.

The previous prime is 92640173. The next prime is 92640203. The reversal of 92640193 is 39104629.

It can be written as a sum of positive squares in 4 ways, for example, as 1399489 + 91240704 = 1183^2 + 9552^2 .

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 92640193 - 2²¹ = 90543041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (92640133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655 + ... + 13627.

It is an arithmetic number, because the mean of its divisors is an integer number (11955541).

Almost surely, 2^92640193 is an apocalyptic number.

It is an amenable number.

92640193 is a deficient number, since it is larger than the sum of its proper divisors (3004135).

92640193 is a wasteful number, since it uses less digits than its factorization.

92640193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13203.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 92640193 is about 9624.9775584154. The cubic root of 92640193 is about 452.4804472489.

The spelling of 92640193 in words is "ninety-two million, six hundred forty thousand, one hundred ninety-three".