398469299342 has 16 divisors (see below), whose sum is σ = 609527721600. Its totient is φ = 195312205560.

The previous prime is 398469299323. The next prime is 398469299443. The reversal of 398469299342 is 243992964893.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4660784 + ... + 4745507.

It is an arithmetic number, because the mean of its divisors is an integer number (38095482600).

Almost surely, 2^398469299342 is an apocalyptic number.

398469299342 is a deficient number, since it is larger than the sum of its proper divisors (211058422258).

398469299342 is a wasteful number, since it uses less digits than its factorization.

398469299342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9406711.

The product of its digits is 181398528, while the sum is 68.

The spelling of 398469299342 in words is "three hundred ninety-eight billion, four hundred sixty-nine million, two hundred ninety-nine thousand, three hundred forty-two".