398073568 has 24 divisors (see below), whose sum is σ = 784221480. Its totient is φ = 198906240.

The previous prime is 398073539. The next prime is 398073583. The reversal of 398073568 is 865370893.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61863 + ... + 67993.

It is an arithmetic number, because the mean of its divisors is an integer number (32675895).

Almost surely, 2^398073568 is an apocalyptic number.

It is an amenable number.

398073568 is a deficient number, since it is larger than the sum of its proper divisors (386147912).

398073568 is a wasteful number, since it uses less digits than its factorization.

398073568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8170 (or 8162 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 398073568 is about 19951.7810733779. The cubic root of 398073568 is about 735.6215563867.

The spelling of 398073568 in words is "three hundred ninety-eight million, seventy-three thousand, five hundred sixty-eight".