1000540 has 24 divisors (see below), whose sum is σ = 2212560. Its totient is φ = 379008.

The previous prime is 1000537. The next prime is 1000541. The reversal of 1000540 is 450001.

1000540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 937 + ... + 1696.

It is an arithmetic number, because the mean of its divisors is an integer number (92190).

2^1000540 is an apocalyptic number.

1000540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000540 is an abundant number, since it is smaller than the sum of its proper divisors (1212020).

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

1000540 is a wasteful number, since it uses less digits than its factorization.

1000540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661 (or 2659 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 1000540 is about 1000.2699635598. The cubic root of 1000540 is about 100.0179967610.

Adding to 1000540 its reverse (450001), we get a palindrome (1450541).

It can be divided in two parts, 1000 and 540, that added together give a triangular number (1540 = T₅₅).

The spelling of 1000540 in words is "one million, five hundred forty", and thus it is an aban number.