2669439 has 8 divisors (see below), whose sum is σ = 3655600. Its totient is φ = 1731456.

The previous prime is 2669437. The next prime is 2669461. The reversal of 2669439 is 9349662.

It is a happy number.

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

It is not a de Polignac number, because 2669439 - 2¹ = 2669437 is a prime.

2669439 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2669397 and 2669406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2669431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11914 + ... + 12135.

It is an arithmetic number, because the mean of its divisors is an integer number (456950).

2^2669439 is an apocalyptic number.

2669439 is a deficient number, since it is larger than the sum of its proper divisors (986161).

2669439 is a wasteful number, since it uses less digits than its factorization.

2669439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24089.

The product of its digits is 69984, while the sum is 39.

The square root of 2669439 is about 1633.8417916065. The cubic root of 2669439 is about 138.7202939408.

The spelling of 2669439 in words is "two million, six hundred sixty-nine thousand, four hundred thirty-nine".