395191420 has 24 divisors (see below), whose sum is σ = 893741184. Its totient is φ = 145916736.

The previous prime is 395191411. The next prime is 395191421. The reversal of 395191420 is 24191593.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395191421) 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, 759724 + ... + 760243.

It is an arithmetic number, because the mean of its divisors is an integer number (37239216).

Almost surely, 2^395191420 is an apocalyptic number.

It is an amenable number.

395191420 is an abundant number, since it is smaller than the sum of its proper divisors (498549764).

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

395191420 is a wasteful number, since it uses less digits than its factorization.

395191420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519989 (or 1519987 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 395191420 is about 19879.4220237913. The cubic root of 395191420 is about 733.8418956266.

The spelling of 395191420 in words is "three hundred ninety-five million, one hundred ninety-one thousand, four hundred twenty".