2119657 has 8 divisors (see below), whose sum is σ = 2229696. Its totient is φ = 2011152.

The previous prime is 2119651. The next prime is 2119669. The reversal of 2119657 is 7569112.

2119657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2119657 - 2¹⁹ = 1595369 is a prime.

It is a Duffinian number.

2119657 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2119651) 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, 3318 + ... + 3904.

It is an arithmetic number, because the mean of its divisors is an integer number (278712).

2^2119657 is an apocalyptic number.

It is an amenable number.

2119657 is a deficient number, since it is larger than the sum of its proper divisors (110039).

2119657 is a wasteful number, since it uses less digits than its factorization.

2119657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767.

The product of its digits is 3780, while the sum is 31.

The square root of 2119657 is about 1455.9041864079. The cubic root of 2119657 is about 128.4562372740.

The spelling of 2119657 in words is "two million, one hundred nineteen thousand, six hundred fifty-seven".