1340884 has 6 divisors (see below), whose sum is σ = 2346554. Its totient is φ = 670440.

The previous prime is 1340879. The next prime is 1340891. The reversal of 1340884 is 4880431.

It can be written as a sum of positive squares in only one way, i.e., 956484 + 384400 = 978^2 + 620^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 167607 + ... + 167614.

2^1340884 is an apocalyptic number.

It is an amenable number.

1340884 is a deficient number, since it is larger than the sum of its proper divisors (1005670).

1340884 is a wasteful number, since it uses less digits than its factorization.

1340884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335225 (or 335223 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 1340884 is about 1157.9654571705. The cubic root of 1340884 is about 110.2716152689.

The spelling of 1340884 in words is "one million, three hundred forty thousand, eight hundred eighty-four".