397849824408 has 64 divisors (see below), whose sum is σ = 999137842560. Its totient is φ = 132015119616.

The previous prime is 397849824397. The next prime is 397849824439. The reversal of 397849824408 is 804428948793.

It is a happy number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 36605391 + ... + 36616257.

It is an arithmetic number, because the mean of its divisors is an integer number (15611528790).

Almost surely, 2^397849824408 is an apocalyptic number.

It is an amenable number.

397849824408 is an abundant number, since it is smaller than the sum of its proper divisors (601288018152).

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

397849824408 is a wasteful number, since it uses less digits than its factorization.

397849824408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17656 (or 17652 counting only the distinct ones).

The product of its (nonzero) digits is 111476736, while the sum is 66.

The spelling of 397849824408 in words is "three hundred ninety-seven billion, eight hundred forty-nine million, eight hundred twenty-four thousand, four hundred eight".