2409408 has 84 divisors (see below), whose sum is σ = 7132320. Its totient is φ = 777216.

The previous prime is 2409401. The next prime is 2409431. The reversal of 2409408 is 8049042.

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 11 ways as a sum of consecutive naturals, for example, 27028 + ... + 27116.

2^2409408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2409408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3566160).

2409408 is an abundant number, since it is smaller than the sum of its proper divisors (4722912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2409408 is a wasteful number, since it uses less digits than its factorization.

2409408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2409408 is about 1552.2267875539. The cubic root of 2409408 is about 134.0613070623.

The spelling of 2409408 in words is "two million, four hundred nine thousand, four hundred eight".