395628587 has 8 divisors (see below), whose sum is σ = 398085120. Its totient is φ = 393177960.

The previous prime is 395628559. The next prime is 395628617. The reversal of 395628587 is 785826593.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-395628587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (395628487) 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, 274214 + ... + 275652.

It is an arithmetic number, because the mean of its divisors is an integer number (49760640).

Almost surely, 2^395628587 is an apocalyptic number.

395628587 is a deficient number, since it is larger than the sum of its proper divisors (2456533).

395628587 is a wasteful number, since it uses less digits than its factorization.

395628587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953.

The product of its digits is 3628800, while the sum is 53.

The square root of 395628587 is about 19890.4144501818. The cubic root of 395628587 is about 734.1123917464.

The spelling of 395628587 in words is "three hundred ninety-five million, six hundred twenty-eight thousand, five hundred eighty-seven".