440093 has 2 divisors, whose sum is σ = 440094. Its totient is φ = 440092.

The previous prime is 440087. The next prime is 440101. The reversal of 440093 is 390044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 438244 + 1849 = 662^2 + 43^2 .

It is a cyclic number.

It is not a de Polignac number, because 440093 - 2¹² = 435997 is a prime.

It is a Chen prime.

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220046 + 220047.

It is an arithmetic number, because the mean of its divisors is an integer number (220047).

2⁴⁴⁰⁰⁹³ is an apocalyptic number.

It is an amenable number.

440093 is a deficient number, since it is larger than the sum of its proper divisors (1).

440093 is an equidigital number, since it uses as much as digits as its factorization.

440093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 440093 is about 663.3950557549. The cubic root of 440093 is about 76.0644075435.

The spelling of 440093 in words is "four hundred forty thousand, ninety-three".