385344000 has 320 divisors, whose sum is σ = 1429908480. Its totient is φ = 102297600.

The previous prime is 385343999. The next prime is 385344007. The reversal of 385344000 is 443583.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385344007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1727889 + ... + 1728111.

It is an arithmetic number, because the mean of its divisors is an integer number (4468464).

Almost surely, 2^385344000 is an apocalyptic number.

385344000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385344000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (714954240).

385344000 is an abundant number, since it is smaller than the sum of its proper divisors (1044564480).

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

385344000 is an equidigital number, since it uses as much as digits as its factorization.

385344000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 385344000 is about 19630.1808448114. The cubic root of 385344000 is about 727.6952393408.

Adding to 385344000 its reverse (443583), we get a palindrome (385787583).

The spelling of 385344000 in words is "three hundred eighty-five million, three hundred forty-four thousand".