394626855485 has 8 divisors (see below), whose sum is σ = 473577862200. Its totient is φ = 315684393984.

The previous prime is 394626855461. The next prime is 394626855499. The reversal of 394626855485 is 584558626493.

It can be written as a sum of positive squares in 4 ways, for example, as 1333564324 + 393293291161 = 36518^2 + 627131^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 394626855485 - 2⁶ = 394626855421 is a prime.

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, 2034260 + ... + 2219789.

It is an arithmetic number, because the mean of its divisors is an integer number (59197232775).

Almost surely, 2^394626855485 is an apocalyptic number.

It is an amenable number.

394626855485 is a deficient number, since it is larger than the sum of its proper divisors (78951006715).

394626855485 is a wasteful number, since it uses less digits than its factorization.

394626855485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272607.

The product of its digits is 248832000, while the sum is 65.

The spelling of 394626855485 in words is "three hundred ninety-four billion, six hundred twenty-six million, eight hundred fifty-five thousand, four hundred eighty-five".