1344891928 has 8 divisors (see below), whose sum is σ = 2521672380. Its totient is φ = 672445960.

The previous prime is 1344891893. The next prime is 1344891931. The reversal of 1344891928 is 8291984431.

It is a tau number, because it is divible by the number of its divisors (8).

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, 84055738 + ... + 84055753.

Almost surely, 2^1344891928 is an apocalyptic number.

It is an amenable number.

1344891928 is a deficient number, since it is larger than the sum of its proper divisors (1176780452).

1344891928 is a wasteful number, since it uses less digits than its factorization.

1344891928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168111497 (or 168111493 counting only the distinct ones).

The product of its digits is 497664, while the sum is 49.

The square root of 1344891928 is about 36672.7682074861. The cubic root of 1344891928 is about 1103.8137397561.

The spelling of 1344891928 in words is "one billion, three hundred forty-four million, eight hundred ninety-one thousand, nine hundred twenty-eight".