1344003857 has 8 divisors (see below), whose sum is σ = 1539763200. Its totient is φ = 1149184224.

The previous prime is 1344003769. The next prime is 1344003877. The reversal of 1344003857 is 7583004431.

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 1344003857 - 2¹⁰ = 1344002833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1344003877) 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, 231857 + ... + 237582.

It is an arithmetic number, because the mean of its divisors is an integer number (192470400).

Almost surely, 2^1344003857 is an apocalyptic number.

It is an amenable number.

1344003857 is a deficient number, since it is larger than the sum of its proper divisors (195759343).

1344003857 is an equidigital number, since it uses as much as digits as its factorization.

1344003857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469855.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 1344003857 is about 36660.6581637591. The cubic root of 1344003857 is about 1103.5707262231.

The spelling of 1344003857 in words is "one billion, three hundred forty-four million, three thousand, eight hundred fifty-seven".