395584957 has 2 divisors, whose sum is σ = 395584958. Its totient is φ = 395584956.

The previous prime is 395584901. The next prime is 395584961. The reversal of 395584957 is 759485593.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 394062201 + 1522756 = 19851^2 + 1234^2 .

It is a cyclic number.

It is not a de Polignac number, because 395584957 - 2²³ = 387196349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 395584898 and 395584907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (395584967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197792478 + 197792479.

It is an arithmetic number, because the mean of its divisors is an integer number (197792479).

Almost surely, 2^395584957 is an apocalyptic number.

It is an amenable number.

395584957 is a deficient number, since it is larger than the sum of its proper divisors (1).

395584957 is an equidigital number, since it uses as much as digits as its factorization.

395584957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804000, while the sum is 55.

The square root of 395584957 is about 19889.3176604930. The cubic root of 395584957 is about 734.0854047337.

The spelling of 395584957 in words is "three hundred ninety-five million, five hundred eighty-four thousand, nine hundred fifty-seven".