395089321 has 6 divisors (see below), whose sum is σ = 434271866. Its totient is φ = 359172000.

The previous prime is 395089309. The next prime is 395089339. The reversal of 395089321 is 123980593.

It can be written as a sum of positive squares in only one way, i.e., 220849321 + 174240000 = 14861^2 + 13200^2 .

It is not a de Polignac number, because 395089321 - 2¹⁵ = 395056553 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395089351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1632480 + ... + 1632721.

Almost surely, 2^395089321 is an apocalyptic number.

It is an amenable number.

395089321 is a deficient number, since it is larger than the sum of its proper divisors (39182545).

395089321 is a wasteful number, since it uses less digits than its factorization.

395089321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3265223 (or 3265212 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 395089321 is about 19876.8539009573. The cubic root of 395089321 is about 733.7786933629.

The spelling of 395089321 in words is "three hundred ninety-five million, eighty-nine thousand, three hundred twenty-one".