1344003858 has 18 divisors (see below), whose sum is σ = 2912345397. Its totient is φ = 447949440.

The previous prime is 1344003769. The next prime is 1344003877. The reversal of 1344003858 is 8583004431.

It can be written as a sum of positive squares in 2 ways, for example, as 892993689 + 451010169 = 29883^2 + 21237^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=25923.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 151218 + ... + 159858.

Almost surely, 2^1344003858 is an apocalyptic number.

1344003858 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1344003858 is an abundant number, since it is smaller than the sum of its proper divisors (1568341539).

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

1344003858 is an frugal number, since it uses more digits than its factorization.

1344003858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17290 (or 8646 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 1344003858 is about 36660.6581773977. The cubic root of 1344003858 is about 1103.5707264968.

The spelling of 1344003858 in words is "one billion, three hundred forty-four million, three thousand, eight hundred fifty-eight".