1919230 has 16 divisors (see below), whose sum is σ = 3471984. Its totient is φ = 763840.

The previous prime is 1919161. The next prime is 1919231. The reversal of 1919230 is 329191.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1919195 and 1919204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1919231) by changing a digit.

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, 2469 + ... + 3151.

It is an arithmetic number, because the mean of its divisors is an integer number (216999).

2^1919230 is an apocalyptic number.

1919230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1919230 is a deficient number, since it is larger than the sum of its proper divisors (1552754).

1919230 is a wasteful number, since it uses less digits than its factorization.

1919230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 1919230 is about 1385.3627683751. The cubic root of 1919230 is about 124.2726829538.

The spelling of 1919230 in words is "one million, nine hundred nineteen thousand, two hundred thirty".