395919950 has 24 divisors (see below), whose sum is σ = 737353848. Its totient is φ = 158165280.

The previous prime is 395919917. The next prime is 395919959. The reversal of 395919950 is 59919593.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395919959) 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, 38009 + ... + 47291.

It is an arithmetic number, because the mean of its divisors is an integer number (30723077).

Almost surely, 2^395919950 is an apocalyptic number.

395919950 is a deficient number, since it is larger than the sum of its proper divisors (341433898).

395919950 is a wasteful number, since it uses less digits than its factorization.

395919950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10148 (or 10143 counting only the distinct ones).

The product of its (nonzero) digits is 492075, while the sum is 50.

The square root of 395919950 is about 19897.7373085484. The cubic root of 395919950 is about 734.2925613210.

The spelling of 395919950 in words is "three hundred ninety-five million, nine hundred nineteen thousand, nine hundred fifty".