2449819 has 8 divisors (see below), whose sum is σ = 2643840. Its totient is φ = 2261376.

The previous prime is 2449813. The next prime is 2449823. The reversal of 2449819 is 9189442.

It is a happy number.

2449819 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 2449819 - 2⁵ = 2449787 is a prime.

It is a super-2 number, since 2×2449819² = 12003226265522, which contains 22 as substring.

It is an Ulam number.

2449819 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2449813) 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, 459 + ... + 2260.

It is an arithmetic number, because the mean of its divisors is an integer number (330480).

2^2449819 is an apocalyptic number.

2449819 is a deficient number, since it is larger than the sum of its proper divisors (194021).

2449819 is a wasteful number, since it uses less digits than its factorization.

2449819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789.

The product of its digits is 20736, while the sum is 37.

The square root of 2449819 is about 1565.1897648528. The cubic root of 2449819 is about 134.8066550968.

The spelling of 2449819 in words is "two million, four hundred forty-nine thousand, eight hundred nineteen".