401084429 has 2 divisors, whose sum is σ = 401084430. Its totient is φ = 401084428.

The previous prime is 401084407. The next prime is 401084449. The reversal of 401084429 is 924480104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234028804 + 167055625 = 15298^2 + 12925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401084429 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 401084395 and 401084404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401084449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200542214 + 200542215.

It is an arithmetic number, because the mean of its divisors is an integer number (200542215).

Almost surely, 2^401084429 is an apocalyptic number.

It is an amenable number.

401084429 is a deficient number, since it is larger than the sum of its proper divisors (1).

401084429 is an equidigital number, since it uses as much as digits as its factorization.

401084429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 401084429 is about 20027.0923750803. The cubic root of 401084429 is about 737.4715440136.

The spelling of 401084429 in words is "four hundred one million, eighty-four thousand, four hundred twenty-nine".