1673287998 has 16 divisors (see below), whose sum is σ = 3363918096. Its totient is φ = 554872320.

The previous prime is 1673287943. The next prime is 1673288017. The reversal of 1673287998 is 8997823761.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721333 + ... + 723648.

It is an arithmetic number, because the mean of its divisors is an integer number (210244881).

Almost surely, 2^1673287998 is an apocalyptic number.

1673287998 is an abundant number, since it is smaller than the sum of its proper divisors (1690630098).

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

1673287998 is a wasteful number, since it uses less digits than its factorization.

1673287998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445179.

The product of its digits is 9144576, while the sum is 60.

The square root of 1673287998 is about 40905.8430789539. The cubic root of 1673287998 is about 1187.1991181271.

The spelling of 1673287998 in words is "one billion, six hundred seventy-three million, two hundred eighty-seven thousand, nine hundred ninety-eight".