183768340 has 48 divisors (see below), whose sum is σ = 443205504. Its totient is φ = 62697600.

The previous prime is 183768329. The next prime is 183768349. The reversal of 183768340 is 43867381.

It is a junction number, because it is equal to n+sod(n) for n = 183768293 and 183768302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (183768349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26430 + ... + 32650.

It is an arithmetic number, because the mean of its divisors is an integer number (9233448).

Almost surely, 2^183768340 is an apocalyptic number.

183768340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 183768340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221602752).

183768340 is an abundant number, since it is smaller than the sum of its proper divisors (259437164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

183768340 is a wasteful number, since it uses less digits than its factorization.

183768340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6448 (or 6446 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 183768340 is about 13556.1181759381. The cubic root of 183768340 is about 568.5345963676.

The spelling of 183768340 in words is "one hundred eighty-three million, seven hundred sixty-eight thousand, three hundred forty".