11840429 has 2 divisors, whose sum is σ = 11840430. Its totient is φ = 11840428.

The previous prime is 11840393. The next prime is 11840443. The reversal of 11840429 is 92404811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11744329 + 96100 = 3427^2 + 310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11840429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11840489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5920214 + 5920215.

It is an arithmetic number, because the mean of its divisors is an integer number (5920215).

Almost surely, 2^11840429 is an apocalyptic number.

It is an amenable number.

11840429 is a deficient number, since it is larger than the sum of its proper divisors (1).

11840429 is an equidigital number, since it uses as much as digits as its factorization.

11840429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 11840429 is about 3440.9924440487. The cubic root of 11840429 is about 227.9235213382.

The spelling of 11840429 in words is "eleven million, eight hundred forty thousand, four hundred twenty-nine".