398096409238 has 32 divisors (see below), whose sum is σ = 669800184480. Its totient is φ = 175883040000.

The previous prime is 398096409203. The next prime is 398096409239. The reversal of 398096409238 is 832904690893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398096409239) 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, 577713 + ... + 1062988.

It is an arithmetic number, because the mean of its divisors is an integer number (20931255765).

Almost surely, 2^398096409238 is an apocalyptic number.

398096409238 is a deficient number, since it is larger than the sum of its proper divisors (271703775242).

398096409238 is a wasteful number, since it uses less digits than its factorization.

398096409238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641024.

The product of its (nonzero) digits is 20155392, while the sum is 61.

The spelling of 398096409238 in words is "three hundred ninety-eight billion, ninety-six million, four hundred nine thousand, two hundred thirty-eight".