11404399 has 8 divisors (see below), whose sum is σ = 12402288. Its totient is φ = 10442880.

The previous prime is 11404397. The next prime is 11404411. The reversal of 11404399 is 99340411.

11404399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11404399 - 2¹ = 11404397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11404399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11404391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8437 + ... + 9694.

It is an arithmetic number, because the mean of its divisors is an integer number (1550286).

Almost surely, 2^11404399 is an apocalyptic number.

11404399 is a deficient number, since it is larger than the sum of its proper divisors (997889).

11404399 is a wasteful number, since it uses less digits than its factorization.

11404399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18185.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 11404399 is about 3377.0399760737. The cubic root of 11404399 is about 225.0906564721.

The spelling of 11404399 in words is "eleven million, four hundred four thousand, three hundred ninety-nine".