2409385 has 16 divisors (see below), whose sum is σ = 3203712. Its totient is φ = 1724800.

The previous prime is 2409377. The next prime is 2409389. The reversal of 2409385 is 5839042.

It is not a de Polignac number, because 2409385 - 2³ = 2409377 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2409389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3597 + ... + 4213.

It is an arithmetic number, because the mean of its divisors is an integer number (200232).

2^2409385 is an apocalyptic number.

It is an amenable number.

2409385 is a deficient number, since it is larger than the sum of its proper divisors (794327).

2409385 is a wasteful number, since it uses less digits than its factorization.

2409385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2409385 is about 1552.2193788250. The cubic root of 2409385 is about 134.0608804817.

Adding to 2409385 its product of nonzero digits (8640), we get a square (2418025 = 1555²).

The spelling of 2409385 in words is "two million, four hundred nine thousand, three hundred eighty-five".