395301636 has 36 divisors (see below), whose sum is σ = 1026244492. Its totient is φ = 128205504.

The previous prime is 395301607. The next prime is 395301661. The reversal of 395301636 is 636103593.

It can be written as a sum of positive squares in 2 ways, for example, as 329204736 + 66096900 = 18144^2 + 8130^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 395301636.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147055 + ... + 149718.

Almost surely, 2^395301636 is an apocalyptic number.

395301636 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

395301636 is an abundant number, since it is smaller than the sum of its proper divisors (630942856).

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

395301636 is a wasteful number, since it uses less digits than its factorization.

395301636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296820 (or 296815 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 36.

The square root of 395301636 is about 19882.1939433253. The cubic root of 395301636 is about 733.9101103333.

The spelling of 395301636 in words is "three hundred ninety-five million, three hundred one thousand, six hundred thirty-six".