395616500 has 24 divisors (see below), whose sum is σ = 864027528. Its totient is φ = 158246400.

The previous prime is 395616467. The next prime is 395616509. The reversal of 395616500 is 5616593.

It can be written as a sum of positive squares in 4 ways, for example, as 12475024 + 383141476 = 3532^2 + 19574^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395616509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395117 + ... + 396116.

It is an arithmetic number, because the mean of its divisors is an integer number (36001147).

Almost surely, 2^395616500 is an apocalyptic number.

It is an amenable number.

395616500 is an abundant number, since it is smaller than the sum of its proper divisors (468411028).

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

395616500 is a wasteful number, since it uses less digits than its factorization.

395616500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791252 (or 791240 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 395616500 is about 19890.1106080384. The cubic root of 395616500 is about 734.1049156209.

The spelling of 395616500 in words is "three hundred ninety-five million, six hundred sixteen thousand, five hundred".