1340364 has 12 divisors (see below), whose sum is σ = 3127544. Its totient is φ = 446784.

The previous prime is 1340363. The next prime is 1340369. The reversal of 1340364 is 4630431.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1340364.

It is not an unprimeable number, because it can be changed into a prime (1340363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55837 + ... + 55860.

2^1340364 is an apocalyptic number.

It is an amenable number.

1340364 is an abundant number, since it is smaller than the sum of its proper divisors (1787180).

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

1340364 is a wasteful number, since it uses less digits than its factorization.

1340364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111704 (or 111702 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1340364 is about 1157.7409036568. The cubic root of 1340364 is about 110.2573588395.

Adding to 1340364 its reverse (4630431), we get a palindrome (5970795).

The spelling of 1340364 in words is "one million, three hundred forty thousand, three hundred sixty-four".