395963616 has 24 divisors (see below), whose sum is σ = 1039404744. Its totient is φ = 131987840.

The previous prime is 395963587. The next prime is 395963641. The reversal of 395963616 is 616369593.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2062215 + ... + 2062406.

It is an arithmetic number, because the mean of its divisors is an integer number (43308531).

Almost surely, 2^395963616 is an apocalyptic number.

It is an amenable number.

395963616 is an abundant number, since it is smaller than the sum of its proper divisors (643441128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

395963616 is a wasteful number, since it uses less digits than its factorization.

395963616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4124634 (or 4124626 counting only the distinct ones).

The product of its digits is 787320, while the sum is 48.

The square root of 395963616 is about 19898.8345387362. The cubic root of 395963616 is about 734.3195553638.

The spelling of 395963616 in words is "three hundred ninety-five million, nine hundred sixty-three thousand, six hundred sixteen".