395246377 has 2 divisors, whose sum is σ = 395246378. Its totient is φ = 395246376.

The previous prime is 395246351. The next prime is 395246381. The reversal of 395246377 is 773642593.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 382437136 + 12809241 = 19556^2 + 3579^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-395246377 is a prime.

It is a super-2 number, since 2×395246377² = 312439397063252258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (395246347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197623188 + 197623189.

It is an arithmetic number, because the mean of its divisors is an integer number (197623189).

Almost surely, 2^395246377 is an apocalyptic number.

It is an amenable number.

395246377 is a deficient number, since it is larger than the sum of its proper divisors (1).

395246377 is an equidigital number, since it uses as much as digits as its factorization.

395246377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 46.

The square root of 395246377 is about 19880.8042342356. The cubic root of 395246377 is about 733.8759111084.

The spelling of 395246377 in words is "three hundred ninety-five million, two hundred forty-six thousand, three hundred seventy-seven".