395824638 has 24 divisors (see below), whose sum is σ = 870161544. Its totient is φ = 119946640.

The previous prime is 395824603. The next prime is 395824661. The reversal of 395824638 is 836428593.

It is a congruent number.

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, 271881 + ... + 273332.

It is an arithmetic number, because the mean of its divisors is an integer number (36256731).

Almost surely, 2^395824638 is an apocalyptic number.

395824638 is an abundant number, since it is smaller than the sum of its proper divisors (474336906).

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

395824638 is a wasteful number, since it uses less digits than its factorization.

395824638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545240 (or 545229 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The square root of 395824638 is about 19895.3421181944. The cubic root of 395824638 is about 734.2336331551.

The spelling of 395824638 in words is "three hundred ninety-five million, eight hundred twenty-four thousand, six hundred thirty-eight".