398104122 has 32 divisors (see below), whose sum is σ = 858255552. Its totient is φ = 122379264.

The previous prime is 398104121. The next prime is 398104177. The reversal of 398104122 is 221401893.

It is a self number, because there is not a number n which added to its sum of digits gives 398104122.

It is not an unprimeable number, because it can be changed into a prime (398104121) by changing a digit.

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, 125338 + ... + 128474.

It is an arithmetic number, because the mean of its divisors is an integer number (26820486).

Almost surely, 2^398104122 is an apocalyptic number.

398104122 is an abundant number, since it is smaller than the sum of its proper divisors (460151430).

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

398104122 is a wasteful number, since it uses less digits than its factorization.

398104122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4782.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 398104122 is about 19952.5467547379. The cubic root of 398104122 is about 735.6403766985.

The spelling of 398104122 in words is "three hundred ninety-eight million, one hundred four thousand, one hundred twenty-two".