1930998 has 8 divisors (see below), whose sum is σ = 3862008. Its totient is φ = 643664.

The previous prime is 1930969. The next prime is 1931009. The reversal of 1930998 is 8990391.

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

1930998 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160911 + ... + 160922.

It is an arithmetic number, because the mean of its divisors is an integer number (482751).

2^1930998 is an apocalyptic number.

1930998 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.

1930998 is a wasteful number, since it uses less digits than its factorization.

1930998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321838.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 1930998 is about 1389.6035405827. The cubic root of 1930998 is about 124.5261634342.

The spelling of 1930998 in words is "one million, nine hundred thirty thousand, nine hundred ninety-eight".