395775842 has 24 divisors (see below), whose sum is σ = 753371280. Its totient is φ = 154197960.

The previous prime is 395775841. The next prime is 395775889. The reversal of 395775842 is 248577593.

It is a super-2 number, since 2×395775842² = 313277034221617928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (395775841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182492 + ... + 184647.

It is an arithmetic number, because the mean of its divisors is an integer number (31390470).

Almost surely, 2^395775842 is an apocalyptic number.

395775842 is a deficient number, since it is larger than the sum of its proper divisors (357595438).

395775842 is a wasteful number, since it uses less digits than its factorization.

395775842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367166 (or 367159 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 50.

The square root of 395775842 is about 19894.1157632100. The cubic root of 395775842 is about 734.2034605877.

The spelling of 395775842 in words is "three hundred ninety-five million, seven hundred seventy-five thousand, eight hundred forty-two".