397543898948 has 48 divisors (see below), whose sum is σ = 797133705984. Its totient is φ = 169938103680.

The previous prime is 397543898933. The next prime is 397543898951. The reversal of 397543898948 is 849898345793.

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 15 ways as a sum of consecutive naturals, for example, 18485690 + ... + 18507182.

It is an arithmetic number, because the mean of its divisors is an integer number (16606952208).

Almost surely, 2^397543898948 is an apocalyptic number.

It is an amenable number.

397543898948 is an abundant number, since it is smaller than the sum of its proper divisors (399589807036).

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

397543898948 is a wasteful number, since it uses less digits than its factorization.

397543898948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23172 (or 23170 counting only the distinct ones).

The product of its digits is 1881169920, while the sum is 77.

The spelling of 397543898948 in words is "three hundred ninety-seven billion, five hundred forty-three million, eight hundred ninety-eight thousand, nine hundred forty-eight".