387020 has 24 divisors (see below), whose sum is σ = 836304. Its totient is φ = 150336.

The previous prime is 387017. The next prime is 387031. The reversal of 387020 is 20783.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 386983 and 387001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479 + ... + 1001.

It is an arithmetic number, because the mean of its divisors is an integer number (34846).

2³⁸⁷⁰²⁰ 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 387020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418152).

387020 is an abundant number, since it is smaller than the sum of its proper divisors (449284).

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

387020 is a wasteful number, since it uses less digits than its factorization.

387020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 387020 is about 622.1093151529. The cubic root of 387020 is about 72.8748716490.

The spelling of 387020 in words is "three hundred eighty-seven thousand, twenty".