395804424 has 128 divisors (see below), whose sum is σ = 1071221760. Its totient is φ = 121575168.

The previous prime is 395804419. The next prime is 395804483. The reversal of 395804424 is 424408593.

It is a super-2 number, since 2×395804424² = 313322284115943552, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2428167 + ... + 2428329.

It is an arithmetic number, because the mean of its divisors is an integer number (8368920).

Almost surely, 2^395804424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 395804424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (535610880).

395804424 is an abundant number, since it is smaller than the sum of its proper divisors (675417336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

395804424 is a wasteful number, since it uses less digits than its factorization.

395804424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 395804424 is about 19894.8341033546. The cubic root of 395804424 is about 734.2211343110.

The spelling of 395804424 in words is "three hundred ninety-five million, eight hundred four thousand, four hundred twenty-four".