1913338 has 16 divisors (see below), whose sum is σ = 3453120. Its totient is φ = 776736.

The previous prime is 1913297. The next prime is 1913341. The reversal of 1913338 is 8333191.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3331 + ... + 3862.

It is an arithmetic number, because the mean of its divisors is an integer number (215820).

2^1913338 is an apocalyptic number.

1913338 is a deficient number, since it is larger than the sum of its proper divisors (1539782).

1913338 is a wasteful number, since it uses less digits than its factorization.

1913338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7221.

The product of its digits is 1944, while the sum is 28.

The square root of 1913338 is about 1383.2346149515. The cubic root of 1913338 is about 124.1453809936.

The spelling of 1913338 in words is "one million, nine hundred thirteen thousand, three hundred thirty-eight".