397386444652 has 6 divisors (see below), whose sum is σ = 695426278148. Its totient is φ = 198693222324.

The previous prime is 397386444647. The next prime is 397386444667. The reversal of 397386444652 is 256444683793.

It is a super-2 number, since 2×397386444652² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49673305578 + ... + 49673305585.

Almost surely, 2^397386444652 is an apocalyptic number.

It is an amenable number.

397386444652 is a deficient number, since it is larger than the sum of its proper divisors (298039833496).

397386444652 is a wasteful number, since it uses less digits than its factorization.

397386444652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99346611167 (or 99346611165 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 61.

The spelling of 397386444652 in words is "three hundred ninety-seven billion, three hundred eighty-six million, four hundred forty-four thousand, six hundred fifty-two".