385244648 has 16 divisors (see below), whose sum is σ = 723279780. Its totient is φ = 192370048.

The previous prime is 385244597. The next prime is 385244653. The reversal of 385244648 is 846442583.

It can be written as a sum of positive squares in 2 ways, for example, as 338486404 + 46758244 = 18398^2 + 6838^2 .

It is a junction number, because it is equal to n+sod(n) for n = 385244599 and 385244608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24965 + ... + 37332.

Almost surely, 2^385244648 is an apocalyptic number.

It is an amenable number.

385244648 is a deficient number, since it is larger than the sum of its proper divisors (338035132).

385244648 is a wasteful number, since it uses less digits than its factorization.

385244648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63076 (or 63072 counting only the distinct ones).

The product of its digits is 737280, while the sum is 44.

The square root of 385244648 is about 19627.6500885868. The cubic root of 385244648 is about 727.6326941935.

The spelling of 385244648 in words is "three hundred eighty-five million, two hundred forty-four thousand, six hundred forty-eight".