1000386 has 24 divisors (see below), whose sum is σ = 2187900. Its totient is φ = 330336.

The previous prime is 1000381. The next prime is 1000393. The reversal of 1000386 is 6830001.

1000386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 962361 + 38025 = 981^2 + 195^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1000381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2496 + ... + 2868.

2^1000386 is an apocalyptic number.

1000386 is an abundant number, since it is smaller than the sum of its proper divisors (1187514).

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

1000386 is a wasteful number, since it uses less digits than its factorization.

1000386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530 (or 527 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1000386 is about 1000.1929813791. The cubic root of 1000386 is about 100.0128650115.

Adding to 1000386 its reverse (6830001), we get a palindrome (7830387).

The spelling of 1000386 in words is "one million, three hundred eighty-six", and thus it is an aban number.