385644744 has 48 divisors (see below), whose sum is σ = 1046267820. Its totient is φ = 128325120.

The previous prime is 385644739. The next prime is 385644751. The reversal of 385644744 is 447446583.

385644744 is a `hidden beast` number, since 3 + 8 + 564 + 47 + 44 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 379080900 + 6563844 = 19470^2 + 2562^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 385644744.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40084 + ... + 48764.

Almost surely, 2^385644744 is an apocalyptic number.

It is an amenable number.

385644744 is an abundant number, since it is smaller than the sum of its proper divisors (660623076).

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

385644744 is a wasteful number, since it uses less digits than its factorization.

385644744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9310 (or 9303 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 45.

The square root of 385644744 is about 19637.8395960452. The cubic root of 385644744 is about 727.8845014612.

The spelling of 385644744 in words is "three hundred eighty-five million, six hundred forty-four thousand, seven hundred forty-four".