394522532 has 24 divisors (see below), whose sum is σ = 705432000. Its totient is φ = 193010400.

The previous prime is 394522511. The next prime is 394522537. The reversal of 394522532 is 235225493.

It is a junction number, because it is equal to n+sod(n) for n = 394522492 and 394522501.

It is not an unprimeable number, because it can be changed into a prime (394522537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35594 + ... + 45342.

It is an arithmetic number, because the mean of its divisors is an integer number (29393000).

Almost surely, 2^394522532 is an apocalyptic number.

It is an amenable number.

394522532 is a deficient number, since it is larger than the sum of its proper divisors (310909468).

394522532 is a wasteful number, since it uses less digits than its factorization.

394522532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9971 (or 9969 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The square root of 394522532 is about 19862.5912710301. The cubic root of 394522532 is about 733.4276362656.

The spelling of 394522532 in words is "three hundred ninety-four million, five hundred twenty-two thousand, five hundred thirty-two".