398158106 has 8 divisors (see below), whose sum is σ = 623204064. Its totient is φ = 190423420.

The previous prime is 398158069. The next prime is 398158127. The reversal of 398158106 is 601851893.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4327760 + ... + 4327851.

It is an arithmetic number, because the mean of its divisors is an integer number (77900508).

Almost surely, 2^398158106 is an apocalyptic number.

398158106 is a deficient number, since it is larger than the sum of its proper divisors (225045958).

398158106 is a wasteful number, since it uses less digits than its factorization.

398158106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8655636.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 398158106 is about 19953.8995186405. The cubic root of 398158106 is about 735.6736268065.

The spelling of 398158106 in words is "three hundred ninety-eight million, one hundred fifty-eight thousand, one hundred six".