93200981 has 4 divisors (see below), whose sum is σ = 93246732. Its totient is φ = 93155232.

The previous prime is 93200971. The next prime is 93200993. The reversal of 93200981 is 18900239.

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 32890225 + 60310756 = 5735^2 + 7766^2 .

It is a cyclic number.

It is not a de Polignac number, because 93200981 - 2¹⁰ = 93199957 is a prime.

It is a super-2 number, since 2×93200981² = 17372845718724722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93200941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19670 + ... + 23943.

It is an arithmetic number, because the mean of its divisors is an integer number (23311683).

Almost surely, 2^93200981 is an apocalyptic number.

It is an amenable number.

93200981 is a deficient number, since it is larger than the sum of its proper divisors (45751).

93200981 is a wasteful number, since it uses less digits than its factorization.

93200981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45750.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 93200981 is about 9654.0655166619. The cubic root of 93200981 is about 453.3916259503.

The spelling of 93200981 in words is "ninety-three million, two hundred thousand, nine hundred eighty-one".