394158055 has 16 divisors (see below), whose sum is σ = 485805600. Its totient is φ = 306889600.

The previous prime is 394158049. The next prime is 394158067. The reversal of 394158055 is 550851493.

It is not a de Polignac number, because 394158055 - 2⁷ = 394157927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 394157999 and 394158017.

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, 23181 + ... + 36409.

It is an arithmetic number, because the mean of its divisors is an integer number (30362850).

Almost surely, 2^394158055 is an apocalyptic number.

394158055 is a deficient number, since it is larger than the sum of its proper divisors (91647545).

394158055 is a wasteful number, since it uses less digits than its factorization.

394158055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13394.

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 394158055 is about 19853.4141900077. The cubic root of 394158055 is about 733.2017092737.

The spelling of 394158055 in words is "three hundred ninety-four million, one hundred fifty-eight thousand, fifty-five".