385682400 has 432 divisors, whose sum is σ = 1513590624. Its totient is φ = 91914240.

The previous prime is 385682393. The next prime is 385682411. The reversal of 385682400 is 4286583.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2815132 + ... + 2815268.

It is an arithmetic number, because the mean of its divisors is an integer number (3503682).

Almost surely, 2^385682400 is an apocalyptic number.

385682400 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 385682400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (756795312).

385682400 is an abundant number, since it is smaller than the sum of its proper divisors (1127908224).

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

385682400 is a wasteful number, since it uses less digits than its factorization.

385682400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 385682400 is about 19638.7983339104. The cubic root of 385682400 is about 727.9081919407.

The spelling of 385682400 in words is "three hundred eighty-five million, six hundred eighty-two thousand, four hundred".