2409406 has 8 divisors (see below), whose sum is σ = 3702384. Its totient is φ = 1175280.

The previous prime is 2409401. The next prime is 2409431. The reversal of 2409406 is 6049042.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2409401) 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, 14610 + ... + 14773.

It is an arithmetic number, because the mean of its divisors is an integer number (462798).

2^2409406 is an apocalyptic number.

2409406 is a deficient number, since it is larger than the sum of its proper divisors (1292978).

2409406 is a wasteful number, since it uses less digits than its factorization.

2409406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29426.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2409406 is about 1552.2261433180. The cubic root of 2409406 is about 134.0612699684.

The spelling of 2409406 in words is "two million, four hundred nine thousand, four hundred six".