1849998 has 8 divisors (see below), whose sum is σ = 3700008. Its totient is φ = 616664.

The previous prime is 1849979. The next prime is 1850021. The reversal of 1849998 is 8999481.

It is a sphenic number, since it is the product of 3 distinct primes.

1849998 is an admirable number.

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, 154161 + ... + 154172.

It is an arithmetic number, because the mean of its divisors is an integer number (462501).

2^1849998 is an apocalyptic number.

1849998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1849998 is a wasteful number, since it uses less digits than its factorization.

1849998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308338.

The product of its digits is 186624, while the sum is 48.

The square root of 1849998 is about 1360.1463156587. The cubic root of 1849998 is about 122.7600583813.

The spelling of 1849998 in words is "one million, eight hundred forty-nine thousand, nine hundred ninety-eight".