394773852 has 48 divisors (see below), whose sum is σ = 1014862464. Its totient is φ = 118440000.

The previous prime is 394773737. The next prime is 394773859. The reversal of 394773852 is 258377493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394773859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1474 + ... + 28137.

It is an arithmetic number, because the mean of its divisors is an integer number (21142968).

Almost surely, 2^394773852 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 394773852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (507431232).

394773852 is an abundant number, since it is smaller than the sum of its proper divisors (620088612).

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

394773852 is a wasteful number, since it uses less digits than its factorization.

394773852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29730 (or 29728 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 48.

The square root of 394773852 is about 19868.9167294042. The cubic root of 394773852 is about 733.5833400110.

The spelling of 394773852 in words is "three hundred ninety-four million, seven hundred seventy-three thousand, eight hundred fifty-two".