1356544 has 36 divisors (see below), whose sum is σ = 3098704. Its totient is φ = 580608.

The previous prime is 1356539. The next prime is 1356547. The reversal of 1356544 is 4456531.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (1356547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1414 + ... + 2170.

2^1356544 is an apocalyptic number.

1356544 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 1356544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1549352).

1356544 is an abundant number, since it is smaller than the sum of its proper divisors (1742160).

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

1356544 is an frugal number, since it uses more digits than its factorization.

1356544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780 (or 766 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 1356544 is about 1164.7076886498. The cubic root of 1356544 is about 110.6992371995.

The spelling of 1356544 in words is "one million, three hundred fifty-six thousand, five hundred forty-four".