183240385 has 8 divisors (see below), whose sum is σ = 220328640. Its totient is φ = 146298864.

The previous prime is 183240383. The next prime is 183240397. The reversal of 183240385 is 583042381.

It is a happy number.

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 183240385 - 2¹ = 183240383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 183240385.

It is not an unprimeable number, because it can be changed into a prime (183240383) 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, 33915 + ... + 38944.

It is an arithmetic number, because the mean of its divisors is an integer number (27541080).

Almost surely, 2^183240385 is an apocalyptic number.

It is an amenable number.

183240385 is a deficient number, since it is larger than the sum of its proper divisors (37088255).

183240385 is an equidigital number, since it uses as much as digits as its factorization.

183240385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73367.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 183240385 is about 13536.6312278942. The cubic root of 183240385 is about 567.9896193054.

The spelling of 183240385 in words is "one hundred eighty-three million, two hundred forty thousand, three hundred eighty-five".