394047048 has 16 divisors (see below), whose sum is σ = 985117680. Its totient is φ = 131349008.

The previous prime is 394047047. The next prime is 394047079. The reversal of 394047048 is 840740493.

It is a junction number, because it is equal to n+sod(n) for n = 394046997 and 394047015.

It is not an unprimeable number, because it can be changed into a prime (394047047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8209290 + ... + 8209337.

It is an arithmetic number, because the mean of its divisors is an integer number (61569855).

Almost surely, 2^394047048 is an apocalyptic number.

It is an amenable number.

394047048 is an abundant number, since it is smaller than the sum of its proper divisors (591070632).

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

394047048 is a wasteful number, since it uses less digits than its factorization.

394047048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16418636 (or 16418632 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 394047048 is about 19850.6183279010. The cubic root of 394047048 is about 733.1328721131.

The spelling of 394047048 in words is "three hundred ninety-four million, forty-seven thousand, forty-eight".