395646068 has 6 divisors (see below), whose sum is σ = 692380626. Its totient is φ = 197823032.

The previous prime is 395646037. The next prime is 395646071. The reversal of 395646068 is 860646593.

It can be written as a sum of positive squares in only one way, i.e., 299566864 + 96079204 = 17308^2 + 9802^2 .

It is a super-2 number, since 2×395646068² = 313071622247721248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49455755 + ... + 49455762.

It is an arithmetic number, because the mean of its divisors is an integer number (115396771).

Almost surely, 2^395646068 is an apocalyptic number.

It is an amenable number.

395646068 is a deficient number, since it is larger than the sum of its proper divisors (296734558).

395646068 is a wasteful number, since it uses less digits than its factorization.

395646068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98911521 (or 98911519 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 47.

The square root of 395646068 is about 19890.8538781019. The cubic root of 395646068 is about 734.1232039325.

The spelling of 395646068 in words is "three hundred ninety-five million, six hundred forty-six thousand, sixty-eight".