1872998 has 4 divisors (see below), whose sum is σ = 2809500. Its totient is φ = 936498.

The previous prime is 1872971. The next prime is 1873013. The reversal of 1872998 is 8992781.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 468248 + ... + 468251.

It is an arithmetic number, because the mean of its divisors is an integer number (702375).

2^1872998 is an apocalyptic number.

1872998 is a deficient number, since it is larger than the sum of its proper divisors (936502).

1872998 is an equidigital number, since it uses as much as digits as its factorization.

1872998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936501.

The product of its digits is 72576, while the sum is 44.

The square root of 1872998 is about 1368.5751714831. The cubic root of 1872998 is about 123.2667004732.

The spelling of 1872998 in words is "one million, eight hundred seventy-two thousand, nine hundred ninety-eight".