1873992 has 32 divisors (see below), whose sum is σ = 4733280. Its totient is φ = 618240.

The previous prime is 1873979. The next prime is 1874003. The reversal of 1873992 is 2993781.

It is a self number, because there is not a number n which added to its sum of digits gives 1873992.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2367 + ... + 3057.

It is an arithmetic number, because the mean of its divisors is an integer number (147915).

2^1873992 is an apocalyptic number.

1873992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1873992 is an abundant number, since it is smaller than the sum of its proper divisors (2859288).

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

1873992 is a wasteful number, since it uses less digits than its factorization.

1873992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813 (or 809 counting only the distinct ones).

The product of its digits is 27216, while the sum is 39.

The square root of 1873992 is about 1368.9382747224. The cubic root of 1873992 is about 123.2885024953.

The spelling of 1873992 in words is "one million, eight hundred seventy-three thousand, nine hundred ninety-two".