395355949 has 2 divisors, whose sum is σ = 395355950. Its totient is φ = 395355948.

The previous prime is 395355943. The next prime is 395355979. The reversal of 395355949 is 949553593.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 372219849 + 23136100 = 19293^2 + 4810^2 .

It is a cyclic number.

It is not a de Polignac number, because 395355949 - 2¹¹ = 395353901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 395355896 and 395355905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (395355943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197677974 + 197677975.

It is an arithmetic number, because the mean of its divisors is an integer number (197677975).

Almost surely, 2^395355949 is an apocalyptic number.

It is an amenable number.

395355949 is a deficient number, since it is larger than the sum of its proper divisors (1).

395355949 is an equidigital number, since it uses as much as digits as its factorization.

395355949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3280500, while the sum is 52.

The square root of 395355949 is about 19883.5597668023. The cubic root of 395355949 is about 733.9437209830.

The spelling of 395355949 in words is "three hundred ninety-five million, three hundred fifty-five thousand, nine hundred forty-nine".