394544079 has 12 divisors (see below), whose sum is σ = 570534432. Its totient is φ = 262735200.

The previous prime is 394544071. The next prime is 394544081. The reversal of 394544079 is 970445493.

It is a happy number.

394544079 is a `hidden beast` number, since 39 + 4 + 544 + 0 + 79 = 666.

It is not a de Polignac number, because 394544079 - 2³ = 394544071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394544071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15862 + ... + 32259.

It is an arithmetic number, because the mean of its divisors is an integer number (47544536).

Almost surely, 2^394544079 is an apocalyptic number.

394544079 is a deficient number, since it is larger than the sum of its proper divisors (175990353).

394544079 is a wasteful number, since it uses less digits than its factorization.

394544079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49038 (or 49035 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 394544079 is about 19863.1336651597. The cubic root of 394544079 is about 733.4409881668.

The spelling of 394544079 in words is "three hundred ninety-four million, five hundred forty-four thousand, seventy-nine".