1883998 has 4 divisors (see below), whose sum is σ = 2826000. Its totient is φ = 941998.

The previous prime is 1883993. The next prime is 1884007. The reversal of 1883998 is 8993881.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8993881 = 13 ⋅691837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1883993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470998 + ... + 471001.

It is an arithmetic number, because the mean of its divisors is an integer number (706500).

2^1883998 is an apocalyptic number.

1883998 is a deficient number, since it is larger than the sum of its proper divisors (942002).

1883998 is an equidigital number, since it uses as much as digits as its factorization.

1883998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942001.

The product of its digits is 124416, while the sum is 46.

The square root of 1883998 is about 1372.5880663914. The cubic root of 1883998 is about 123.5075421424.

It can be divided in two parts, 188 and 3998, that added together give a triangular number (4186 = T₉₁).

The spelling of 1883998 in words is "one million, eight hundred eighty-three thousand, nine hundred ninety-eight".