397862423298 has 24 divisors (see below), whose sum is σ = 907405527600. Its totient is φ = 125640765144.

The previous prime is 397862423281. The next prime is 397862423311. The reversal of 397862423298 is 892324268793.

397862423298 is a `hidden beast` number, since 39 + 78 + 6 + 242 + 3 + 298 = 666.

It is a Curzon number.

It is an unprimeable number.

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, 581669868 + ... + 581670551.

It is an arithmetic number, because the mean of its divisors is an integer number (37808563650).

Almost surely, 2^397862423298 is an apocalyptic number.

397862423298 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

397862423298 is an abundant number, since it is smaller than the sum of its proper divisors (509543104302).

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

397862423298 is a wasteful number, since it uses less digits than its factorization.

397862423298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163340446 (or 1163340443 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 63.

The spelling of 397862423298 in words is "three hundred ninety-seven billion, eight hundred sixty-two million, four hundred twenty-three thousand, two hundred ninety-eight".