1913856 has 88 divisors (see below), whose sum is σ = 5895360. Its totient is φ = 540672.

The previous prime is 1913833. The next prime is 1913861. The reversal of 1913856 is 6583191.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21460 + ... + 21548.

2^1913856 is an apocalyptic number.

1913856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1913856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2947680).

1913856 is an abundant number, since it is smaller than the sum of its proper divisors (3981504).

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

1913856 is an equidigital number, since it uses as much as digits as its factorization.

1913856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 101 counting only the distinct ones).

The product of its digits is 6480, while the sum is 33.

The square root of 1913856 is about 1383.4218445579. The cubic root of 1913856 is about 124.1565833190.

The spelling of 1913856 in words is "one million, nine hundred thirteen thousand, eight hundred fifty-six".