2049479 has 4 divisors (see below), whose sum is σ = 2052960. Its totient is φ = 2046000.

The previous prime is 2049451. The next prime is 2049491. The reversal of 2049479 is 9749402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2049479 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 (2049409) 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 3 ways as a sum of consecutive naturals, for example, 614 + ... + 2115.

It is an arithmetic number, because the mean of its divisors is an integer number (513240).

2^2049479 is an apocalyptic number.

2049479 is a deficient number, since it is larger than the sum of its proper divisors (3481).

2049479 is an equidigital number, since it uses as much as digits as its factorization.

2049479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2049479 is about 1431.6001536742. The cubic root of 2049479 is about 127.0226466734.

The spelling of 2049479 in words is "two million, forty-nine thousand, four hundred seventy-nine".