1340049 has 8 divisors (see below), whose sum is σ = 1864512. Its totient is φ = 854480.

The previous prime is 1340047. The next prime is 1340069. The reversal of 1340049 is 9400431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1340049 - 2¹ = 1340047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9642 + ... + 9779.

It is an arithmetic number, because the mean of its divisors is an integer number (233064).

2^1340049 is an apocalyptic number.

It is an amenable number.

1340049 is a deficient number, since it is larger than the sum of its proper divisors (524463).

1340049 is a wasteful number, since it uses less digits than its factorization.

1340049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19447.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1340049 is about 1157.6048548620. The cubic root of 1340049 is about 110.2487209399.

The spelling of 1340049 in words is "one million, three hundred forty thousand, forty-nine".