2409398 has 4 divisors (see below), whose sum is σ = 3614100. Its totient is φ = 1204698.

The previous prime is 2409397. The next prime is 2409401. The reversal of 2409398 is 8939042.

2409398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2409391) 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 as a sum of consecutive naturals, namely, 602348 + ... + 602351.

It is an arithmetic number, because the mean of its divisors is an integer number (903525).

2^2409398 is an apocalyptic number.

2409398 is a deficient number, since it is larger than the sum of its proper divisors (1204702).

2409398 is a wasteful number, since it uses less digits than its factorization.

2409398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204701.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 2409398 is about 1552.2235663718. The cubic root of 2409398 is about 134.0611215928.

The spelling of 2409398 in words is "two million, four hundred nine thousand, three hundred ninety-eight".