400014829 has 2 divisors, whose sum is σ = 400014830. Its totient is φ = 400014828.

The previous prime is 400014799. The next prime is 400014833. The reversal of 400014829 is 928410004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 370562500 + 29452329 = 19250^2 + 5427^2 .

It is a cyclic number.

It is not a de Polignac number, because 400014829 - 2¹⁵ = 399982061 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 400014797 and 400014806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400014889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200007414 + 200007415.

It is an arithmetic number, because the mean of its divisors is an integer number (200007415).

Almost surely, 2^400014829 is an apocalyptic number.

It is an amenable number.

400014829 is a deficient number, since it is larger than the sum of its proper divisors (1).

400014829 is an equidigital number, since it uses as much as digits as its factorization.

400014829 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 28.

The square root of 400014829 is about 20000.3707215641. The cubic root of 400014829 is about 736.8154046994.

The spelling of 400014829 in words is "four hundred million, fourteen thousand, eight hundred twenty-nine".