936421229 has 2 divisors, whose sum is σ = 936421230. Its totient is φ = 936421228.

The previous prime is 936421163. The next prime is 936421237. The reversal of 936421229 is 922124639.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 570732100 + 365689129 = 23890^2 + 19123^2 .

It is a cyclic number.

It is not a de Polignac number, because 936421229 - 2²⁴ = 919644013 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 936421192 and 936421201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (936421429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 468210614 + 468210615.

It is an arithmetic number, because the mean of its divisors is an integer number (468210615).

Almost surely, 2^936421229 is an apocalyptic number.

It is an amenable number.

936421229 is a deficient number, since it is larger than the sum of its proper divisors (1).

936421229 is an equidigital number, since it uses as much as digits as its factorization.

936421229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 38.

The square root of 936421229 is about 30601.0004575014. Note that the first 3 decimals coincide. The cubic root of 936421229 is about 978.3413665947.

The spelling of 936421229 in words is "nine hundred thirty-six million, four hundred twenty-one thousand, two hundred twenty-nine".