398830793542 has 16 divisors (see below), whose sum is σ = 600556461120. Its totient is φ = 198646089768.

The previous prime is 398830793531. The next prime is 398830793549. The reversal of 398830793542 is 245397038893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398830793549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 828709 + ... + 1218367.

It is an arithmetic number, because the mean of its divisors is an integer number (37534778820).

Almost surely, 2^398830793542 is an apocalyptic number.

398830793542 is a deficient number, since it is larger than the sum of its proper divisors (201725667578).

398830793542 is a wasteful number, since it uses less digits than its factorization.

398830793542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391635.

The product of its (nonzero) digits is 39191040, while the sum is 61.

The spelling of 398830793542 in words is "three hundred ninety-eight billion, eight hundred thirty million, seven hundred ninety-three thousand, five hundred forty-two".