383346845 has 24 divisors (see below), whose sum is σ = 536175288. Its totient is φ = 262348800.

The previous prime is 383346841. The next prime is 383346851. The reversal of 383346845 is 548643383.

It can be written as a sum of positive squares in 4 ways, for example, as 38204761 + 345142084 = 6181^2 + 18578^2 .

It is not a de Polignac number, because 383346845 - 2² = 383346841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 383346796 and 383346805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383346841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155825 + ... + 158265.

It is an arithmetic number, because the mean of its divisors is an integer number (22340637).

Almost surely, 2^383346845 is an apocalyptic number.

383346845 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

383346845 is a deficient number, since it is larger than the sum of its proper divisors (152828443).

383346845 is a wasteful number, since it uses less digits than its factorization.

383346845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101 (or 3094 counting only the distinct ones).

The product of its digits is 829440, while the sum is 44.

The square root of 383346845 is about 19579.2452612454. The cubic root of 383346845 is about 726.4358986058.

The spelling of 383346845 in words is "three hundred eighty-three million, three hundred forty-six thousand, eight hundred forty-five".