1481998 has 16 divisors (see below), whose sum is σ = 2610144. Its totient is φ = 617760.

The previous prime is 1481993. The next prime is 1481999. The reversal of 1481998 is 8991841.

It is a self number, because there is not a number n which added to its sum of digits gives 1481998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481993) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 913 + ... + 1948.

It is an arithmetic number, because the mean of its divisors is an integer number (163134).

2^1481998 is an apocalyptic number.

1481998 is a deficient number, since it is larger than the sum of its proper divisors (1128146).

1481998 is a wasteful number, since it uses less digits than its factorization.

1481998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907.

The product of its digits is 20736, while the sum is 40.

The square root of 1481998 is about 1217.3734020423. The cubic root of 1481998 is about 114.0116434194.

The spelling of 1481998 in words is "one million, four hundred eighty-one thousand, nine hundred ninety-eight".