11388429 has 48 divisors (see below), whose sum is σ = 19219200. Its totient is φ = 6438528.

The previous prime is 11388413. The next prime is 11388431. The reversal of 11388429 is 92488311.

11388429 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11388429 - 2⁴ = 11388413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11388393 and 11388402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11388449) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104427 + ... + 104535.

It is an arithmetic number, because the mean of its divisors is an integer number (400400).

Almost surely, 2^11388429 is an apocalyptic number.

11388429 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11388429 is a deficient number, since it is larger than the sum of its proper divisors (7830771).

11388429 is a wasteful number, since it uses less digits than its factorization.

11388429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 191 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 11388429 is about 3374.6746509849. The cubic root of 11388429 is about 224.9855398114.

The spelling of 11388429 in words is "eleven million, three hundred eighty-eight thousand, four hundred twenty-nine".