1360640 has 36 divisors (see below), whose sum is σ = 3262224. Its totient is φ = 543744.

The previous prime is 1360637. The next prime is 1360673. The reversal of 1360640 is 460631.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 749 + ... + 1811.

2^1360640 is an apocalyptic number.

1360640 is a gapful number since it is divisible by the number (10) 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 1360640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1631112).

1360640 is an abundant number, since it is smaller than the sum of its proper divisors (1901584).

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

1360640 is an equidigital number, since it uses as much as digits as its factorization.

1360640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084 (or 1070 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1360640 is about 1166.4647444308. The cubic root of 1360640 is about 110.8105417297.

Subtracting from 1360640 its reverse (460631), we obtain a palindrome (900009).

The spelling of 1360640 in words is "one million, three hundred sixty thousand, six hundred forty".