395489366 has 4 divisors (see below), whose sum is σ = 593234052. Its totient is φ = 197744682.

The previous prime is 395489363. The next prime is 395489401. The reversal of 395489366 is 663984593.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 663984593 = 877 ⋅757109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395489363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98872340 + ... + 98872343.

It is an arithmetic number, because the mean of its divisors is an integer number (148308513).

Almost surely, 2^395489366 is an apocalyptic number.

395489366 is a deficient number, since it is larger than the sum of its proper divisors (197744686).

395489366 is a wasteful number, since it uses less digits than its factorization.

395489366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197744685.

The product of its digits is 4199040, while the sum is 53.

The square root of 395489366 is about 19886.9144414110. The cubic root of 395489366 is about 734.0262706929.

The spelling of 395489366 in words is "three hundred ninety-five million, four hundred eighty-nine thousand, three hundred sixty-six".