1369824 has 48 divisors (see below), whose sum is σ = 3790080. Its totient is φ = 432000.

The previous prime is 1369813. The next prime is 1369831. The reversal of 1369824 is 4289631.

1369824 is nontrivially palindromic in base 7.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1449 + ... + 2199.

It is an arithmetic number, because the mean of its divisors is an integer number (78960).

2^1369824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1369824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1895040).

1369824 is an abundant number, since it is smaller than the sum of its proper divisors (2420256).

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

1369824 is a wasteful number, since it uses less digits than its factorization.

1369824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783 (or 775 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 1369824 is about 1170.3948051833. The cubic root of 1369824 is about 111.0592979164.

The spelling of 1369824 in words is "one million, three hundred sixty-nine thousand, eight hundred twenty-four".