385885944 has 112 divisors (see below), whose sum is σ = 1095448320. Its totient is φ = 127370880.

The previous prime is 385885943. The next prime is 385886003. The reversal of 385885944 is 449588583.

385885944 is a `hidden beast` number, since 3 + 8 + 588 + 59 + 4 + 4 = 666.

It is a super-2 number, since 2×385885944² = 297815923553542272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385885943) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 740404 + ... + 740924.

Almost surely, 2^385885944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385885944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547724160).

385885944 is an abundant number, since it is smaller than the sum of its proper divisors (709562376).

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

385885944 is a wasteful number, since it uses less digits than its factorization.

385885944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 653 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 54.

The square root of 385885944 is about 19643.9798411625. The cubic root of 385885944 is about 728.0362206750.

The spelling of 385885944 in words is "three hundred eighty-five million, eight hundred eighty-five thousand, nine hundred forty-four".