398365082 has 8 divisors (see below), whose sum is σ = 597728352. Its totient is φ = 199122300.

The previous prime is 398365081. The next prime is 398365117. The reversal of 398365082 is 280563893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (398365081) 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 3 ways as a sum of consecutive naturals, for example, 21344 + ... + 35387.

It is an arithmetic number, because the mean of its divisors is an integer number (74716044).

Almost surely, 2^398365082 is an apocalyptic number.

398365082 is a deficient number, since it is larger than the sum of its proper divisors (199363270).

398365082 is a wasteful number, since it uses less digits than its factorization.

398365082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60244.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 398365082 is about 19959.0851994775. The cubic root of 398365082 is about 735.8010807044.

The spelling of 398365082 in words is "three hundred ninety-eight million, three hundred sixty-five thousand, eighty-two".