1913824 has 24 divisors (see below), whose sum is σ = 4111128. Its totient is φ = 869760.

The previous prime is 1913819. The next prime is 1913827. The reversal of 1913824 is 4283191.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1913792 and 1913801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1913827) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2367 + ... + 3070.

It is an arithmetic number, because the mean of its divisors is an integer number (171297).

2^1913824 is an apocalyptic number.

It is an amenable number.

1913824 is an abundant number, since it is smaller than the sum of its proper divisors (2197304).

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

1913824 is a wasteful number, since it uses less digits than its factorization.

1913824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5458 (or 5450 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 1913824 is about 1383.4102789845. The cubic root of 1913824 is about 124.1558913421.

The spelling of 1913824 in words is "one million, nine hundred thirteen thousand, eight hundred twenty-four".