2111479 has 8 divisors (see below), whose sum is σ = 2188800. Its totient is φ = 2035296.

The previous prime is 2111471. The next prime is 2111491. The reversal of 2111479 is 9741112.

2111479 = 37² + 38² + ... + 185².

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

It is not a de Polignac number, because 2111479 - 2³ = 2111471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111471) 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, 5322 + ... + 5704.

It is an arithmetic number, because the mean of its divisors is an integer number (273600).

2^2111479 is an apocalyptic number.

2111479 is a deficient number, since it is larger than the sum of its proper divisors (77321).

2111479 is a wasteful number, since it uses less digits than its factorization.

2111479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569.

The product of its digits is 504, while the sum is 25.

The square root of 2111479 is about 1453.0929082478. The cubic root of 2111479 is about 128.2908222982.

The spelling of 2111479 in words is "two million, one hundred eleven thousand, four hundred seventy-nine".