395725389 has 8 divisors (see below), whose sum is σ = 527750592. Its totient is φ = 263758560.

The previous prime is 395725367. The next prime is 395725391. The reversal of 395725389 is 983527593.

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

It is not a de Polignac number, because 395725389 - 2²⁵ = 362170957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395725339) 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, 4977 + ... + 28569.

It is an arithmetic number, because the mean of its divisors is an integer number (65968824).

Almost surely, 2^395725389 is an apocalyptic number.

It is an amenable number.

395725389 is a deficient number, since it is larger than the sum of its proper divisors (132025203).

395725389 is a wasteful number, since it uses less digits than its factorization.

395725389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29187.

The product of its digits is 2041200, while the sum is 51.

The square root of 395725389 is about 19892.8476845322. The cubic root of 395725389 is about 734.1722608213.

The spelling of 395725389 in words is "three hundred ninety-five million, seven hundred twenty-five thousand, three hundred eighty-nine".