11409426 has 96 divisors (see below), whose sum is σ = 30670848. Its totient is φ = 2993760.

The previous prime is 11409401. The next prime is 11409451. The reversal of 11409426 is 62490411.

It is an interprime number because it is at equal distance from previous prime (11409401) and next prime (11409451).

It is a self number, because there is not a number n which added to its sum of digits gives 11409426.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89775 + ... + 89901.

It is an arithmetic number, because the mean of its divisors is an integer number (319488).

Almost surely, 2^11409426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11409426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15335424).

11409426 is an abundant number, since it is smaller than the sum of its proper divisors (19261422).

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

11409426 is a wasteful number, since it uses less digits than its factorization.

11409426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 11409426 is about 3377.7841849354. The cubic root of 11409426 is about 225.1237245456.

Adding to 11409426 its reverse (62490411), we get a palindrome (73899837).

The spelling of 11409426 in words is "eleven million, four hundred nine thousand, four hundred twenty-six".