385480 has 32 divisors (see below), whose sum is σ = 907200. Its totient is φ = 147136.

The previous prime is 385471. The next prime is 385481. The reversal of 385480 is 84583.

It is not an unprimeable number, because it can be changed into a prime (385481) by changing a digit.

385480 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 711 + ... + 1129.

It is an arithmetic number, because the mean of its divisors is an integer number (28350).

2³⁸⁵⁴⁸⁰ 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 385480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (453600).

385480 is an abundant number, since it is smaller than the sum of its proper divisors (521720).

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

385480 is a wasteful number, since it uses less digits than its factorization.

385480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 385480 is about 620.8703568379. The cubic root of 385480 is about 72.7780838106.

The spelling of 385480 in words is "three hundred eighty-five thousand, four hundred eighty".