395640323 has 12 divisors (see below), whose sum is σ = 430328160. Its totient is φ = 363576096.

The previous prime is 395640317. The next prime is 395640341. The reversal of 395640323 is 323046593.

It is not a de Polignac number, because 395640323 - 2⁴ = 395640307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (395640373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33590 + ... + 43812.

It is an arithmetic number, because the mean of its divisors is an integer number (35860680).

Almost surely, 2^395640323 is an apocalyptic number.

395640323 is a deficient number, since it is larger than the sum of its proper divisors (34687837).

395640323 is a wasteful number, since it uses less digits than its factorization.

395640323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10478 (or 10465 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 35.

The square root of 395640323 is about 19890.7094644711. The cubic root of 395640323 is about 734.1196506234.

The spelling of 395640323 in words is "three hundred ninety-five million, six hundred forty thousand, three hundred twenty-three".