395928220 has 12 divisors (see below), whose sum is σ = 831449304. Its totient is φ = 158371280.

The previous prime is 395928217. The next prime is 395928223. The reversal of 395928220 is 22829593.

It is an interprime number because it is at equal distance from previous prime (395928217) and next prime (395928223).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395928223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9898186 + ... + 9898225.

It is an arithmetic number, because the mean of its divisors is an integer number (69287442).

Almost surely, 2^395928220 is an apocalyptic number.

It is an amenable number.

395928220 is an abundant number, since it is smaller than the sum of its proper divisors (435521084).

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

395928220 is a wasteful number, since it uses less digits than its factorization.

395928220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19796420 (or 19796418 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 395928220 is about 19897.9451200369. The cubic root of 395928220 is about 734.2976739346.

The spelling of 395928220 in words is "three hundred ninety-five million, nine hundred twenty-eight thousand, two hundred twenty".