11438799 has 8 divisors (see below), whose sum is σ = 15332352. Its totient is φ = 7585560.

The previous prime is 11438771. The next prime is 11438803. The reversal of 11438799 is 99783411.

It is a happy number.

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

It is not a de Polignac number, because 11438799 - 2⁵ = 11438767 is a prime.

It is a super-2 number, since 2×11438799² = 261692245124802, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 11438799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11438729) 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, 9409 + ... + 10554.

It is an arithmetic number, because the mean of its divisors is an integer number (1916544).

Almost surely, 2^11438799 is an apocalyptic number.

11438799 is a deficient number, since it is larger than the sum of its proper divisors (3893553).

11438799 is a wasteful number, since it uses less digits than its factorization.

11438799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20157.

The product of its digits is 54432, while the sum is 42.

The square root of 11438799 is about 3382.1293588507. The cubic root of 11438799 is about 225.3167489418.

The spelling of 11438799 in words is "eleven million, four hundred thirty-eight thousand, seven hundred ninety-nine".