395422617 has 4 divisors (see below), whose sum is σ = 527230160. Its totient is φ = 263615076.

The previous prime is 395422579. The next prime is 395422631. The reversal of 395422617 is 716224593.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 395422617 - 2⁶ = 395422553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (395422117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65903767 + ... + 65903772.

It is an arithmetic number, because the mean of its divisors is an integer number (131807540).

Almost surely, 2^395422617 is an apocalyptic number.

It is an amenable number.

395422617 is a deficient number, since it is larger than the sum of its proper divisors (131807543).

395422617 is a wasteful number, since it uses less digits than its factorization.

395422617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131807542.

The product of its digits is 90720, while the sum is 39.

The square root of 395422617 is about 19885.2361565057. The cubic root of 395422617 is about 733.9849731002.

The spelling of 395422617 in words is "three hundred ninety-five million, four hundred twenty-two thousand, six hundred seventeen".