1673988 has 24 divisors (see below), whose sum is σ = 3931200. Its totient is φ = 554400.

The previous prime is 1673983. The next prime is 1673993. The reversal of 1673988 is 8893761.

It is an interprime number because it is at equal distance from previous prime (1673983) and next prime (1673993).

It is not an unprimeable number, because it can be changed into a prime (1673981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2038 + ... + 2738.

It is an arithmetic number, because the mean of its divisors is an integer number (163800).

2^1673988 is an apocalyptic number.

It is an amenable number.

1673988 is an abundant number, since it is smaller than the sum of its proper divisors (2257212).

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

1673988 is a wasteful number, since it uses less digits than its factorization.

1673988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907 (or 905 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 1673988 is about 1293.8268817736. The cubic root of 1673988 is about 118.7364645699.

The spelling of 1673988 in words is "one million, six hundred seventy-three thousand, nine hundred eighty-eight".