395491072 has 36 divisors (see below), whose sum is σ = 823772880. Its totient is φ = 189145088.

The previous prime is 395491069. The next prime is 395491079. The reversal of 395491072 is 270194593.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395491079) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 27697 + ... + 39472.

It is an arithmetic number, because the mean of its divisors is an integer number (22882580).

Almost surely, 2^395491072 is an apocalyptic number.

395491072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

395491072 is an abundant number, since it is smaller than the sum of its proper divisors (428281808).

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

395491072 is an equidigital number, since it uses as much as digits as its factorization.

395491072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67208 (or 67194 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 395491072 is about 19886.9573338910. The cubic root of 395491072 is about 734.0273261339.

The spelling of 395491072 in words is "three hundred ninety-five million, four hundred ninety-one thousand, seventy-two".