395249406 has 16 divisors (see below), whose sum is σ = 791852544. Its totient is φ = 131524184.

The previous prime is 395249383. The next prime is 395249443. The reversal of 395249406 is 604942593.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52590 + ... + 59633.

It is an arithmetic number, because the mean of its divisors is an integer number (49490784).

Almost surely, 2^395249406 is an apocalyptic number.

395249406 is an abundant number, since it is smaller than the sum of its proper divisors (396603138).

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

395249406 is a wasteful number, since it uses less digits than its factorization.

395249406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112815.

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 395249406 is about 19880.8804131004. The cubic root of 395249406 is about 733.8777858078.

The spelling of 395249406 in words is "three hundred ninety-five million, two hundred forty-nine thousand, four hundred six".