394549532 has 24 divisors (see below), whose sum is σ = 787315536. Its totient is φ = 171387648.

The previous prime is 394549513. The next prime is 394549541. The reversal of 394549532 is 235945493.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222278 + ... + 224045.

It is an arithmetic number, because the mean of its divisors is an integer number (32804814).

Almost surely, 2^394549532 is an apocalyptic number.

It is an amenable number.

394549532 is a deficient number, since it is larger than the sum of its proper divisors (392766004).

394549532 is a wasteful number, since it uses less digits than its factorization.

394549532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446357 (or 446355 counting only the distinct ones).

The product of its digits is 583200, while the sum is 44.

The square root of 394549532 is about 19863.2709290288. The cubic root of 394549532 is about 733.4443671178. Note that the first 3 decimals are identical.

The spelling of 394549532 in words is "three hundred ninety-four million, five hundred forty-nine thousand, five hundred thirty-two".