398125559 has 8 divisors (see below), whose sum is σ = 436840992. Its totient is φ = 360565920.

The previous prime is 398125549. The next prime is 398125571. The reversal of 398125559 is 955521893.

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

It is not a de Polignac number, because 398125559 - 2⁸ = 398125303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398125549) 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, 288227 + ... + 289604.

It is an arithmetic number, because the mean of its divisors is an integer number (54605124).

Almost surely, 2^398125559 is an apocalyptic number.

398125559 is a deficient number, since it is larger than the sum of its proper divisors (38715433).

398125559 is a wasteful number, since it uses less digits than its factorization.

398125559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577897.

The product of its digits is 486000, while the sum is 47.

The square root of 398125559 is about 19953.0839470995. The cubic root of 398125559 is about 735.6535806476.

The spelling of 398125559 in words is "three hundred ninety-eight million, one hundred twenty-five thousand, five hundred fifty-nine".