385720 has 16 divisors (see below), whose sum is σ = 867960. Its totient is φ = 154272.

The previous prime is 385709. The next prime is 385739. The reversal of 385720 is 27583.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4782 + ... + 4861.

2³⁸⁵⁷²⁰ is an apocalyptic number.

It is an amenable number.

385720 is an abundant number, since it is smaller than the sum of its proper divisors (482240).

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

385720 is a wasteful number, since it uses less digits than its factorization.

385720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9654 (or 9650 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 385720 is about 621.0636038281. The cubic root of 385720 is about 72.7931845650.

The spelling of 385720 in words is "three hundred eighty-five thousand, seven hundred twenty".