2409342 has 64 divisors (see below), whose sum is σ = 5806080. Its totient is φ = 658944.

The previous prime is 2409313. The next prime is 2409347. The reversal of 2409342 is 2439042.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2409347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30459 + ... + 30537.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

2^2409342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2409342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2903040).

2409342 is an abundant number, since it is smaller than the sum of its proper divisors (3396738).

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

2409342 is a wasteful number, since it uses less digits than its factorization.

2409342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2409342 is about 1552.2055276283. The cubic root of 2409342 is about 134.0600829542.

The spelling of 2409342 in words is "two million, four hundred nine thousand, three hundred forty-two".