1672887 has 8 divisors (see below), whose sum is σ = 2238336. Its totient is φ = 1111352.

The previous prime is 1672873. The next prime is 1672889. The reversal of 1672887 is 7882761.

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

It is a cyclic number.

It is not a de Polignac number, because 1672887 - 2⁸ = 1672631 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672889) 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, 238 + ... + 1844.

It is an arithmetic number, because the mean of its divisors is an integer number (279792).

2^1672887 is an apocalyptic number.

1672887 is a deficient number, since it is larger than the sum of its proper divisors (565449).

1672887 is a wasteful number, since it uses less digits than its factorization.

1672887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957.

The product of its digits is 37632, while the sum is 39.

The square root of 1672887 is about 1293.4013298277. The cubic root of 1672887 is about 118.7104274421.

The spelling of 1672887 in words is "one million, six hundred seventy-two thousand, eight hundred eighty-seven".