1889232 has 20 divisors (see below), whose sum is σ = 4880640. Its totient is φ = 629728.

The previous prime is 1889221. The next prime is 1889267. The reversal of 1889232 is 2329881.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1889193 and 1889202.

It is a congruent number.

It is an unprimeable number.

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, 19632 + ... + 19727.

It is an arithmetic number, because the mean of its divisors is an integer number (244032).

2^1889232 is an apocalyptic number.

1889232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1889232 is an abundant number, since it is smaller than the sum of its proper divisors (2991408).

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

1889232 is a wasteful number, since it uses less digits than its factorization.

1889232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39370 (or 39364 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 1889232 is about 1374.4933612062. The cubic root of 1889232 is about 123.6218099153.

The spelling of 1889232 in words is "one million, eight hundred eighty-nine thousand, two hundred thirty-two".