395770250 has 64 divisors (see below), whose sum is σ = 777254400. Its totient is φ = 150696000.

The previous prime is 395770229. The next prime is 395770261. The reversal of 395770250 is 52077593.

It is a super-3 number, since 3×395770250³ (a number of 27 digits) contains 333 as substring.

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, 572405 + ... + 573095.

It is an arithmetic number, because the mean of its divisors is an integer number (12144600).

Almost surely, 2^395770250 is an apocalyptic number.

395770250 is a deficient number, since it is larger than the sum of its proper divisors (381484150).

395770250 is a wasteful number, since it uses less digits than its factorization.

395770250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 38.

The square root of 395770250 is about 19893.9752186435. The cubic root of 395770250 is about 734.2000026664.

The spelling of 395770250 in words is "three hundred ninety-five million, seven hundred seventy thousand, two hundred fifty".