2738409 has 8 divisors (see below), whose sum is σ = 3659040. Its totient is φ = 1821696.

The previous prime is 2738389. The next prime is 2738423. The reversal of 2738409 is 9048372.

2738409 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 not a de Polignac number, because 2738409 - 2¹⁵ = 2705641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2738409.

It is not an unprimeable number, because it can be changed into a prime (2738459) 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, 1714 + ... + 2900.

It is an arithmetic number, because the mean of its divisors is an integer number (457380).

2^2738409 is an apocalyptic number.

It is an amenable number.

2738409 is a deficient number, since it is larger than the sum of its proper divisors (920631).

2738409 is a wasteful number, since it uses less digits than its factorization.

2738409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2738409 is about 1654.8138868163. The cubic root of 2738409 is about 139.9048503130.

The spelling of 2738409 in words is "two million, seven hundred thirty-eight thousand, four hundred nine".