1397446848 has 84 divisors (see below), whose sum is σ = 4577760720. Its totient is φ = 399269376.

The previous prime is 1397446793. The next prime is 1397446859. The reversal of 1397446848 is 8486447931.

1397446848 is a `hidden beast` number, since 139 + 7 + 4 + 468 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (84).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1397446794 and 1397446803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169263 + ... + 177326.

Almost surely, 2^1397446848 is an apocalyptic number.

1397446848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1397446848 is an abundant number, since it is smaller than the sum of its proper divisors (3180313872).

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

1397446848 is a wasteful number, since it uses less digits than its factorization.

1397446848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346614 (or 346601 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 1397446848 is about 37382.4403697779. The cubic root of 1397446848 is about 1118.0084847181.

The spelling of 1397446848 in words is "one billion, three hundred ninety-seven million, four hundred forty-six thousand, eight hundred forty-eight".