395943969 has 8 divisors (see below), whose sum is σ = 528780640. Its totient is φ = 263534976.

The previous prime is 395943967. The next prime is 395944019. The reversal of 395943969 is 969349593.

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

It is not a de Polignac number, because 395943969 - 2¹ = 395943967 is a prime.

It is a super-2 number, since 2×395943969² = 313543253174945922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (395943967) 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, 104752 + ... + 108465.

It is an arithmetic number, because the mean of its divisors is an integer number (66097580).

Almost surely, 2^395943969 is an apocalyptic number.

It is an amenable number.

395943969 is a deficient number, since it is larger than the sum of its proper divisors (132836671).

395943969 is a wasteful number, since it uses less digits than its factorization.

395943969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213839.

The product of its digits is 7085880, while the sum is 57.

The square root of 395943969 is about 19898.3408604838. The cubic root of 395943969 is about 734.3074099592.

The spelling of 395943969 in words is "three hundred ninety-five million, nine hundred forty-three thousand, nine hundred sixty-nine".