398103258 has 32 divisors (see below), whose sum is σ = 910688256. Its totient is φ = 113651568.

The previous prime is 398103247. The next prime is 398103269. The reversal of 398103258 is 852301893.

It is an interprime number because it is at equal distance from previous prime (398103247) and next prime (398103269).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 61735 + ... + 67877.

It is an arithmetic number, because the mean of its divisors is an integer number (28459008).

Almost surely, 2^398103258 is an apocalyptic number.

398103258 is an abundant number, since it is smaller than the sum of its proper divisors (512584998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

398103258 is a wasteful number, since it uses less digits than its factorization.

398103258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7698.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 398103258 is about 19952.5251033547. The cubic root of 398103258 is about 735.6398445147.

The spelling of 398103258 in words is "three hundred ninety-eight million, one hundred three thousand, two hundred fifty-eight".