398234353 has 12 divisors (see below), whose sum is σ = 448410564. Its totient is φ = 353196800.

The previous prime is 398234329. The next prime is 398234363. The reversal of 398234353 is 353432893.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 57942544 + 340291809 = 7612^2 + 18447^2 .

It is not a de Polignac number, because 398234353 - 2⁵ = 398234321 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398234363) 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 11 ways as a sum of consecutive naturals, for example, 35176 + ... + 45097.

It is an arithmetic number, because the mean of its divisors is an integer number (37367547).

Almost surely, 2^398234353 is an apocalyptic number.

It is an amenable number.

398234353 is a deficient number, since it is larger than the sum of its proper divisors (50176211).

398234353 is a wasteful number, since it uses less digits than its factorization.

398234353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80336 (or 80325 counting only the distinct ones).

The product of its digits is 233280, while the sum is 40.

The square root of 398234353 is about 19955.8100061110. The cubic root of 398234353 is about 735.7205841383.

The spelling of 398234353 in words is "three hundred ninety-eight million, two hundred thirty-four thousand, three hundred fifty-three".