93890 has 16 divisors (see below), whose sum is σ = 173880. Its totient is φ = 36480.

The previous prime is 93889. The next prime is 93893. The reversal of 93890 is 9839.

It can be written as a sum of positive squares in 4 ways, for example, as 73441 + 20449 = 271^2 + 143^2 .

It is not an unprimeable number, because it can be changed into a prime (93893) 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, 296 + ... + 524.

2⁹³⁸⁹⁰ is an apocalyptic number.

93890 is a deficient number, since it is larger than the sum of its proper divisors (79990).

93890 is a wasteful number, since it uses less digits than its factorization.

93890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 93890 is about 306.4147516031. The cubic root of 93890 is about 45.4506166301.

The spelling of 93890 in words is "ninety-three thousand, eight hundred ninety".