394904748 has 96 divisors (see below), whose sum is σ = 1077511680. Its totient is φ = 110246400.

The previous prime is 394904701. The next prime is 394904761. The reversal of 394904748 is 847409493.

It is a junction number, because it is equal to n+sod(n) for n = 394904697 and 394904706.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 754815 + ... + 755337.

It is an arithmetic number, because the mean of its divisors is an integer number (11224080).

Almost surely, 2^394904748 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394904748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538755840).

394904748 is an abundant number, since it is smaller than the sum of its proper divisors (682606932).

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

394904748 is a wasteful number, since it uses less digits than its factorization.

394904748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 394904748 is about 19872.2104457456. The cubic root of 394904748 is about 733.6644096441.

The spelling of 394904748 in words is "three hundred ninety-four million, nine hundred four thousand, seven hundred forty-eight".