1365648 has 40 divisors (see below), whose sum is σ = 3684288. Its totient is φ = 435072.

The previous prime is 1365583. The next prime is 1365659. The reversal of 1365648 is 8465631.

It is a super-3 number, since 3×1365648³ = 7640777862536933376, which contains 333 as substring.

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, 486 + ... + 1722.

2^1365648 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 1365648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1842144).

1365648 is an abundant number, since it is smaller than the sum of its proper divisors (2318640).

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

1365648 is a wasteful number, since it uses less digits than its factorization.

1365648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271 (or 1265 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 1365648 is about 1168.6094300492. The cubic root of 1365648 is about 110.9463258071.

The spelling of 1365648 in words is "one million, three hundred sixty-five thousand, six hundred forty-eight".