394895061 has 32 divisors (see below), whose sum is σ = 639360000. Its totient is φ = 238901040.

The previous prime is 394895041. The next prime is 394895063. The reversal of 394895061 is 160598493.

It is a happy number.

It is not a de Polignac number, because 394895061 - 2²² = 390700757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 394894998 and 394895016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394895063) by changing a digit.

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, 262690 + ... + 264188.

It is an arithmetic number, because the mean of its divisors is an integer number (19980000).

Almost surely, 2^394895061 is an apocalyptic number.

It is an amenable number.

394895061 is a deficient number, since it is larger than the sum of its proper divisors (244464939).

394895061 is a wasteful number, since it uses less digits than its factorization.

394895061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406 (or 2400 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 394895061 is about 19871.9667119286. The cubic root of 394895061 is about 733.6584106740.

The spelling of 394895061 in words is "three hundred ninety-four million, eight hundred ninety-five thousand, sixty-one".