395144785 has 8 divisors (see below), whose sum is σ = 541912896. Its totient is φ = 270956400.

The previous prime is 395144779. The next prime is 395144791. The reversal of 395144785 is 587441593.

It is an interprime number because it is at equal distance from previous prime (395144779) and next prime (395144791).

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

It is not a de Polignac number, because 395144785 - 2²³ = 386756177 is a prime.

It is a super-2 number, since 2×395144785² = 312278802225392450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5644891 + ... + 5644960.

It is an arithmetic number, because the mean of its divisors is an integer number (67739112).

Almost surely, 2^395144785 is an apocalyptic number.

395144785 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

395144785 is a deficient number, since it is larger than the sum of its proper divisors (146768111).

395144785 is a wasteful number, since it uses less digits than its factorization.

395144785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11289863.

The product of its digits is 604800, while the sum is 46.

The square root of 395144785 is about 19878.2490426094. The cubic root of 395144785 is about 733.8130285499.

The spelling of 395144785 in words is "three hundred ninety-five million, one hundred forty-four thousand, seven hundred eighty-five".