395891612 has 6 divisors (see below), whose sum is σ = 692810328. Its totient is φ = 197945804.

The previous prime is 395891611. The next prime is 395891641. The reversal of 395891612 is 216198593.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395891611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49486448 + ... + 49486455.

It is an arithmetic number, because the mean of its divisors is an integer number (115468388).

Almost surely, 2^395891612 is an apocalyptic number.

It is an amenable number.

395891612 is a deficient number, since it is larger than the sum of its proper divisors (296918716).

395891612 is a wasteful number, since it uses less digits than its factorization.

395891612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98972907 (or 98972905 counting only the distinct ones).

The product of its digits is 116640, while the sum is 44.

The square root of 395891612 is about 19897.0252047888. The cubic root of 395891612 is about 734.2750418880.

The spelling of 395891612 in words is "three hundred ninety-five million, eight hundred ninety-one thousand, six hundred twelve".