1006544 has 80 divisors (see below), whose sum is σ = 2618880. Its totient is φ = 362880.

The previous prime is 1006543. The next prime is 1006547. The reversal of 1006544 is 4456001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23387 + ... + 23429.

It is an arithmetic number, because the mean of its divisors is an integer number (32736).

2^1006544 is an apocalyptic number.

1006544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1006544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1309440).

1006544 is an abundant number, since it is smaller than the sum of its proper divisors (1612336).

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

1006544 is a wasteful number, since it uses less digits than its factorization.

1006544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1006544 is about 1003.2666644517. The cubic root of 1006544 is about 100.2176592342.

The spelling of 1006544 in words is "one million, six thousand, five hundred forty-four".