395765623 has 16 divisors (see below), whose sum is σ = 465057792. Its totient is φ = 333036000.

The previous prime is 395765609. The next prime is 395765633. The reversal of 395765623 is 326567593.

It is a de Polignac number, because none of the positive numbers 2^k-395765623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395765633) 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, 17388 + ... + 33073.

It is an arithmetic number, because the mean of its divisors is an integer number (29066112).

Almost surely, 2^395765623 is an apocalyptic number.

395765623 is a deficient number, since it is larger than the sum of its proper divisors (69292169).

395765623 is a wasteful number, since it uses less digits than its factorization.

395765623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50526.

The product of its digits is 1020600, while the sum is 46.

The square root of 395765623 is about 19893.8589268146. The cubic root of 395765623 is about 734.1971414469.

The spelling of 395765623 in words is "three hundred ninety-five million, seven hundred sixty-five thousand, six hundred twenty-three".