398543097 has 8 divisors (see below), whose sum is σ = 532691680. Its totient is φ = 265044960.

The previous prime is 398543081. The next prime is 398543111. The reversal of 398543097 is 790345893.

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

It is not a de Polignac number, because 398543097 - 2⁴ = 398543081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398563097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161179 + ... + 163632.

It is an arithmetic number, because the mean of its divisors is an integer number (66586460).

Almost surely, 2^398543097 is an apocalyptic number.

It is an amenable number.

398543097 is a deficient number, since it is larger than the sum of its proper divisors (134148583).

398543097 is a wasteful number, since it uses less digits than its factorization.

398543097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325223.

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 398543097 is about 19963.5441993650. The cubic root of 398543097 is about 735.9106653790.

The spelling of 398543097 in words is "three hundred ninety-eight million, five hundred forty-three thousand, ninety-seven".