1930224 has 20 divisors (see below), whose sum is σ = 4986536. Its totient is φ = 643392.

The previous prime is 1930219. The next prime is 1930237. The reversal of 1930224 is 4220391.

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1930224.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 20059 + ... + 20154.

2^1930224 is an apocalyptic number.

It is an amenable number.

1930224 is an abundant number, since it is smaller than the sum of its proper divisors (3056312).

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

1930224 is a wasteful number, since it uses less digits than its factorization.

1930224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40224 (or 40218 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1930224 is about 1389.3250159700. The cubic root of 1930224 is about 124.5095233115.

The spelling of 1930224 in words is "one million, nine hundred thirty thousand, two hundred twenty-four".