2179149 has 8 divisors (see below), whose sum is σ = 3320640. Its totient is φ = 1245216.

The previous prime is 2179141. The next prime is 2179153. The reversal of 2179149 is 9419712.

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

It is not a de Polignac number, because 2179149 - 2³ = 2179141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2179141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51864 + ... + 51905.

It is an arithmetic number, because the mean of its divisors is an integer number (415080).

2^2179149 is an apocalyptic number.

It is an amenable number.

2179149 is a deficient number, since it is larger than the sum of its proper divisors (1141491).

2179149 is a wasteful number, since it uses less digits than its factorization.

2179149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103779.

The product of its digits is 4536, while the sum is 33.

The square root of 2179149 is about 1476.1940929295. The cubic root of 2179149 is about 129.6469513431.

Multiplying 2179149 by its sum of digits (33), we get a palindrome (71911917).

The spelling of 2179149 in words is "two million, one hundred seventy-nine thousand, one hundred forty-nine".