108440293 has 4 divisors (see below), whose sum is σ = 116781868. Its totient is φ = 100098720.

The previous prime is 108440291. The next prime is 108440317. The reversal of 108440293 is 392044801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 392044801 = 379 ⋅1034419.

It can be written as a sum of positive squares in 2 ways, for example, as 6066369 + 102373924 = 2463^2 + 10118^2 .

It is a cyclic number.

It is not a de Polignac number, because 108440293 - 2¹ = 108440291 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 (108440291) 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, 4170768 + ... + 4170793.

It is an arithmetic number, because the mean of its divisors is an integer number (29195467).

Almost surely, 2^108440293 is an apocalyptic number.

108440293 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

108440293 is a deficient number, since it is larger than the sum of its proper divisors (8341575).

108440293 is an equidigital number, since it uses as much as digits as its factorization.

108440293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8341574.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 108440293 is about 10413.4669058868. The cubic root of 108440293 is about 476.8665877496.

The spelling of 108440293 in words is "one hundred eight million, four hundred forty thousand, two hundred ninety-three".