2442649 has 4 divisors (see below), whose sum is σ = 2664720. Its totient is φ = 2220580.

The previous prime is 2442631. The next prime is 2442667. The reversal of 2442649 is 9462442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2442631) and next prime (2442667).

It is a cyclic number.

It is not a de Polignac number, because 2442649 - 2⁵ = 2442617 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 4⁷ + 4⁸ + 2²¹ + 6⁴ + 4⁹ + 9 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2442649.

It is not an unprimeable number, because it can be changed into a prime (2442949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111019 + ... + 111040.

It is an arithmetic number, because the mean of its divisors is an integer number (666180).

2^2442649 is an apocalyptic number.

It is an amenable number.

2442649 is a deficient number, since it is larger than the sum of its proper divisors (222071).

2442649 is a wasteful number, since it uses less digits than its factorization.

2442649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222070.

The product of its digits is 13824, while the sum is 31.

The square root of 2442649 is about 1562.8976294051. The cubic root of 2442649 is about 134.6750116004.

The spelling of 2442649 in words is "two million, four hundred forty-two thousand, six hundred forty-nine".