1672798 has 8 divisors (see below), whose sum is σ = 2641320. Its totient is φ = 792360.

The previous prime is 1672787. The next prime is 1672799. The reversal of 1672798 is 8972761.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1672798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672799) 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 3 ways as a sum of consecutive naturals, for example, 21973 + ... + 22048.

It is an arithmetic number, because the mean of its divisors is an integer number (330165).

2^1672798 is an apocalyptic number.

1672798 is a deficient number, since it is larger than the sum of its proper divisors (968522).

1672798 is a wasteful number, since it uses less digits than its factorization.

1672798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44042.

The product of its digits is 42336, while the sum is 40.

The square root of 1672798 is about 1293.3669239624. The cubic root of 1672798 is about 118.7083222161.

The spelling of 1672798 in words is "one million, six hundred seventy-two thousand, seven hundred ninety-eight".