1497998 has 16 divisors (see below), whose sum is σ = 2400000. Its totient is φ = 699192.

The previous prime is 1497997. The next prime is 1498001. The reversal of 1497998 is 8997941.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1497997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2753 + ... + 3251.

It is an arithmetic number, because the mean of its divisors is an integer number (150000).

2^1497998 is an apocalyptic number.

1497998 is a deficient number, since it is larger than the sum of its proper divisors (902002).

1497998 is a wasteful number, since it uses less digits than its factorization.

1497998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599.

The product of its digits is 163296, while the sum is 47.

The square root of 1497998 is about 1223.9272854218. The cubic root of 1497998 is about 114.4204745169.

The spelling of 1497998 in words is "one million, four hundred ninety-seven thousand, nine hundred ninety-eight".