1344991 has 8 divisors (see below), whose sum is σ = 1465200. Its totient is φ = 1229760.

The previous prime is 1344979. The next prime is 1345009. The reversal of 1344991 is 1994431.

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 1344991 - 2¹³ = 1336799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344901) 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, 670 + ... + 1771.

It is an arithmetic number, because the mean of its divisors is an integer number (183150).

2^1344991 is an apocalyptic number.

1344991 is a deficient number, since it is larger than the sum of its proper divisors (120209).

1344991 is a wasteful number, since it uses less digits than its factorization.

1344991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489.

The product of its digits is 3888, while the sum is 31.

The square root of 1344991 is about 1159.7374702923. The cubic root of 1344991 is about 110.3840843384.

The spelling of 1344991 in words is "one million, three hundred forty-four thousand, nine hundred ninety-one".