1673998 has 8 divisors (see below), whose sum is σ = 2517120. Its totient is φ = 834960.

The previous prime is 1673993. The next prime is 1674011. The reversal of 1673998 is 8993761.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403 + ... + 1873.

It is an arithmetic number, because the mean of its divisors is an integer number (314640).

2^1673998 is an apocalyptic number.

1673998 is a deficient number, since it is larger than the sum of its proper divisors (843122).

1673998 is a wasteful number, since it uses less digits than its factorization.

1673998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042.

The product of its digits is 81648, while the sum is 43.

The square root of 1673998 is about 1293.8307462725. The cubic root of 1673998 is about 118.7367010038.

The spelling of 1673998 in words is "one million, six hundred seventy-three thousand, nine hundred ninety-eight".