395580260 has 12 divisors (see below), whose sum is σ = 830718588. Its totient is φ = 158232096.

The previous prime is 395580257. The next prime is 395580281. The reversal of 395580260 is 62085593.

It can be written as a sum of positive squares in 2 ways, for example, as 69488896 + 326091364 = 8336^2 + 18058^2 .

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 3 ways as a sum of consecutive naturals, for example, 9889487 + ... + 9889526.

It is an arithmetic number, because the mean of its divisors is an integer number (69226549).

Almost surely, 2^395580260 is an apocalyptic number.

It is an amenable number.

395580260 is an abundant number, since it is smaller than the sum of its proper divisors (435138328).

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

395580260 is a wasteful number, since it uses less digits than its factorization.

395580260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19779022 (or 19779020 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 395580260 is about 19889.1995816825. The cubic root of 395580260 is about 734.0824993209.

The spelling of 395580260 in words is "three hundred ninety-five million, five hundred eighty thousand, two hundred sixty".