395655613 has 8 divisors (see below), whose sum is σ = 409522680. Its totient is φ = 381803520.

The previous prime is 395655571. The next prime is 395655619. The reversal of 395655613 is 316556593.

It can be written as a sum of positive squares in 4 ways, for example, as 269025604 + 126630009 = 16402^2 + 11253^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 395655613 - 2¹⁷ = 395524541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 395655613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395655619) 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, 91173 + ... + 95413.

It is an arithmetic number, because the mean of its divisors is an integer number (51190335).

Almost surely, 2^395655613 is an apocalyptic number.

It is an amenable number.

395655613 is a deficient number, since it is larger than the sum of its proper divisors (13867067).

395655613 is a wasteful number, since it uses less digits than its factorization.

395655613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7487.

The product of its digits is 364500, while the sum is 43.

The square root of 395655613 is about 19891.0938110502. The cubic root of 395655613 is about 734.1291074830.

The spelling of 395655613 in words is "three hundred ninety-five million, six hundred fifty-five thousand, six hundred thirteen".