2141949 has 8 divisors (see below), whose sum is σ = 3024000. Its totient is φ = 1343936.

The previous prime is 2141947. The next prime is 2141977. The reversal of 2141949 is 9491412.

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 2141949 - 2¹ = 2141947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20949 + ... + 21050.

It is an arithmetic number, because the mean of its divisors is an integer number (378000).

2^2141949 is an apocalyptic number.

It is an amenable number.

2141949 is a deficient number, since it is larger than the sum of its proper divisors (882051).

2141949 is a wasteful number, since it uses less digits than its factorization.

2141949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42019.

The product of its digits is 2592, while the sum is 30.

The square root of 2141949 is about 1463.5398867130. The cubic root of 2141949 is about 128.9049838149.

The spelling of 2141949 in words is "two million, one hundred forty-one thousand, nine hundred forty-nine".