2442789 has 12 divisors (see below), whose sum is σ = 3545100. Its totient is φ = 1620864.

The previous prime is 2442779. The next prime is 2442793. The reversal of 2442789 is 9872442.

It can be written as a sum of positive squares in 2 ways, for example, as 412164 + 2030625 = 642^2 + 1425^2 .

It is not a de Polignac number, because 2442789 - 2¹² = 2438693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2442719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1917 + ... + 2925.

It is an arithmetic number, because the mean of its divisors is an integer number (295425).

2^2442789 is an apocalyptic number.

It is an amenable number.

2442789 is a deficient number, since it is larger than the sum of its proper divisors (1102311).

2442789 is a wasteful number, since it uses less digits than its factorization.

2442789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284 (or 1281 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 2442789 is about 1562.9424173654. The cubic root of 2442789 is about 134.6775845095.

The spelling of 2442789 in words is "two million, four hundred forty-two thousand, seven hundred eighty-nine".