395247086 has 32 divisors (see below), whose sum is σ = 665376768. Its totient is φ = 174849120.

The previous prime is 395247053. The next prime is 395247091. The reversal of 395247086 is 680742593.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83951 + ... + 88533.

It is an arithmetic number, because the mean of its divisors is an integer number (20793024).

Almost surely, 2^395247086 is an apocalyptic number.

395247086 is a deficient number, since it is larger than the sum of its proper divisors (270129682).

395247086 is a wasteful number, since it uses less digits than its factorization.

395247086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4736.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 395247086 is about 19880.8220654982. The cubic root of 395247086 is about 733.8763499214.

The spelling of 395247086 in words is "three hundred ninety-five million, two hundred forty-seven thousand, eighty-six".