397876848 has 20 divisors (see below), whose sum is σ = 1027848648. Its totient is φ = 132625600.

The previous prime is 397876841. The next prime is 397876859. The reversal of 397876848 is 848678793.

It is a junction number, because it is equal to n+sod(n) for n = 397876791 and 397876800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397876841) 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 3 ways as a sum of consecutive naturals, for example, 4144503 + ... + 4144598.

Almost surely, 2^397876848 is an apocalyptic number.

It is an amenable number.

397876848 is an abundant number, since it is smaller than the sum of its proper divisors (629971800).

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

397876848 is a wasteful number, since it uses less digits than its factorization.

397876848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8289112 (or 8289106 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 60.

The square root of 397876848 is about 19946.8505784748. The cubic root of 397876848 is about 735.5003599308.

The spelling of 397876848 in words is "three hundred ninety-seven million, eight hundred seventy-six thousand, eight hundred forty-eight".