394075116 has 36 divisors (see below), whose sum is σ = 1005814992. Its totient is φ = 130081824.

The previous prime is 394075111. The next prime is 394075133. The reversal of 394075116 is 611570493.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (394075111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49431 + ... + 56846.

Almost surely, 2^394075116 is an apocalyptic number.

394075116 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

394075116 is an abundant number, since it is smaller than the sum of its proper divisors (611739876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

394075116 is a wasteful number, since it uses less digits than its factorization.

394075116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106390 (or 106385 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 394075116 is about 19851.3252958083. The cubic root of 394075116 is about 733.1502787358.

The spelling of 394075116 in words is "three hundred ninety-four million, seventy-five thousand, one hundred sixteen".