1359644 has 24 divisors (see below), whose sum is σ = 2796528. Its totient is φ = 570240.

The previous prime is 1359641. The next prime is 1359647. The reversal of 1359644 is 4469531.

It is an interprime number because it is at equal distance from previous prime (1359641) and next prime (1359647).

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 1359644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1359641) 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, 617 + ... + 1760.

It is an arithmetic number, because the mean of its divisors is an integer number (116522).

2^1359644 is an apocalyptic number.

It is an amenable number.

1359644 is an abundant number, since it is smaller than the sum of its proper divisors (1436884).

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

1359644 is a wasteful number, since it uses less digits than its factorization.

1359644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405 (or 2403 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 1359644 is about 1166.0377352384. The cubic root of 1359644 is about 110.7834970447.

It can be divided in two parts, 135 and 9644, that added together give a palindrome (9779).

The spelling of 1359644 in words is "one million, three hundred fifty-nine thousand, six hundred forty-four".