395455172 has 48 divisors (see below), whose sum is σ = 806671488. Its totient is φ = 166129920.

The previous prime is 395455157. The next prime is 395455183. The reversal of 395455172 is 271554593.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519272 + ... + 520032.

It is an arithmetic number, because the mean of its divisors is an integer number (16805656).

Almost surely, 2^395455172 is an apocalyptic number.

It is an amenable number.

395455172 is an abundant number, since it is smaller than the sum of its proper divisors (411216316).

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

395455172 is a wasteful number, since it uses less digits than its factorization.

395455172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116 (or 1114 counting only the distinct ones).

The product of its digits is 189000, while the sum is 41.

The square root of 395455172 is about 19886.0547117823. The cubic root of 395455172 is about 734.0051154526.

The spelling of 395455172 in words is "three hundred ninety-five million, four hundred fifty-five thousand, one hundred seventy-two".