395267540 has 24 divisors (see below), whose sum is σ = 838284552. Its totient is φ = 156540800.

The previous prime is 395267539. The next prime is 395267549. The reversal of 395267540 is 45762593.

It can be written as a sum of positive squares in 4 ways, for example, as 27164944 + 368102596 = 5212^2 + 19186^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395267549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95819 + ... + 99858.

It is an arithmetic number, because the mean of its divisors is an integer number (34928523).

Almost surely, 2^395267540 is an apocalyptic number.

It is an amenable number.

395267540 is an abundant number, since it is smaller than the sum of its proper divisors (443017012).

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

395267540 is a wasteful number, since it uses less digits than its factorization.

395267540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195787 (or 195785 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 395267540 is about 19881.3364741911. The cubic root of 395267540 is about 733.8890090474.

The spelling of 395267540 in words is "three hundred ninety-five million, two hundred sixty-seven thousand, five hundred forty".