398148098 has 8 divisors (see below), whose sum is σ = 607012860. Its totient is φ = 195810480.

The previous prime is 398148067. The next prime is 398148119. The reversal of 398148098 is 890841893.

It can be written as a sum of positive squares in 2 ways, for example, as 396527569 + 1620529 = 19913^2 + 1273^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1631633 + ... + 1631876.

Almost surely, 2^398148098 is an apocalyptic number.

398148098 is a deficient number, since it is larger than the sum of its proper divisors (208864762).

398148098 is a wasteful number, since it uses less digits than its factorization.

398148098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3263572.

The product of its (nonzero) digits is 497664, while the sum is 50.

The square root of 398148098 is about 19953.6487390151. The cubic root of 398148098 is about 735.6674628537.

The spelling of 398148098 in words is "three hundred ninety-eight million, one hundred forty-eight thousand, ninety-eight".