394608988 has 6 divisors (see below), whose sum is σ = 690565736. Its totient is φ = 197304492.

The previous prime is 394608943. The next prime is 394608997. The reversal of 394608988 is 889806493.

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 as a sum of consecutive naturals, namely, 49326120 + ... + 49326127.

Almost surely, 2^394608988 is an apocalyptic number.

It is an amenable number.

394608988 is a deficient number, since it is larger than the sum of its proper divisors (295956748).

394608988 is a wasteful number, since it uses less digits than its factorization.

394608988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98652251 (or 98652249 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 55.

The square root of 394608988 is about 19864.7675043027. The cubic root of 394608988 is about 733.4812070026.

The spelling of 394608988 in words is "three hundred ninety-four million, six hundred eight thousand, nine hundred eighty-eight".