1672149 has 8 divisors (see below), whose sum is σ = 2236000. Its totient is φ = 1111536.

The previous prime is 1672129. The next prime is 1672199. The reversal of 1672149 is 9412761.

It is a happy number.

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

It is not a de Polignac number, because 1672149 - 2⁵ = 1672117 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672129) 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 7 ways as a sum of consecutive naturals, for example, 939 + ... + 2055.

It is an arithmetic number, because the mean of its divisors is an integer number (279500).

2^1672149 is an apocalyptic number.

It is an amenable number.

1672149 is a deficient number, since it is larger than the sum of its proper divisors (563851).

1672149 is a wasteful number, since it uses less digits than its factorization.

1672149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619.

The product of its digits is 3024, while the sum is 30.

The square root of 1672149 is about 1293.1160040770. The cubic root of 1672149 is about 118.6929683665.

The spelling of 1672149 in words is "one million, six hundred seventy-two thousand, one hundred forty-nine".