395140089 has 8 divisors (see below), whose sum is σ = 526960672. Its totient is φ = 263373120.

The previous prime is 395140087. The next prime is 395140091. The reversal of 395140089 is 980041593.

It is an interprime number because it is at equal distance from previous prime (395140087) and next prime (395140091).

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

It is not a de Polignac number, because 395140089 - 2¹ = 395140087 is a prime.

It is a super-2 number, since 2×395140089² = 312271379869855842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (395140087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9282 + ... + 29604.

It is an arithmetic number, because the mean of its divisors is an integer number (65870084).

Almost surely, 2^395140089 is an apocalyptic number.

It is an amenable number.

395140089 is a deficient number, since it is larger than the sum of its proper divisors (131820583).

395140089 is a wasteful number, since it uses less digits than its factorization.

395140089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26807.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 395140089 is about 19878.1309232030. The cubic root of 395140089 is about 733.8101215989.

The spelling of 395140089 in words is "three hundred ninety-five million, one hundred forty thousand, eighty-nine".