394542115 has 32 divisors (see below), whose sum is σ = 556388352. Its totient is φ = 265584000.

The previous prime is 394542107. The next prime is 394542133. The reversal of 394542115 is 511245493.

It is not a de Polignac number, because 394542115 - 2³ = 394542107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34185 + ... + 44245.

It is an arithmetic number, because the mean of its divisors is an integer number (17387136).

Almost surely, 2^394542115 is an apocalyptic number.

394542115 is a deficient number, since it is larger than the sum of its proper divisors (161846237).

394542115 is a wasteful number, since it uses less digits than its factorization.

394542115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10131.

The product of its digits is 21600, while the sum is 34.

The square root of 394542115 is about 19863.0842267761. The cubic root of 394542115 is about 733.4397711668.

The spelling of 394542115 in words is "three hundred ninety-four million, five hundred forty-two thousand, one hundred fifteen".