400600229 has 4 divisors (see below), whose sum is σ = 414414060. Its totient is φ = 386786400.

The previous prime is 400600219. The next prime is 400600253. The reversal of 400600229 is 922006004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 210105025 + 190495204 = 14495^2 + 13802^2 .

It is a cyclic number.

It is not a de Polignac number, because 400600229 - 2⁸ = 400599973 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400600219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6906872 + ... + 6906929.

It is an arithmetic number, because the mean of its divisors is an integer number (103603515).

Almost surely, 2^400600229 is an apocalyptic number.

It is an amenable number.

400600229 is a deficient number, since it is larger than the sum of its proper divisors (13813831).

400600229 is a wasteful number, since it uses less digits than its factorization.

400600229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13813830.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 400600229 is about 20015.0000999251. Note that the first 4 decimals coincide. The cubic root of 400600229 is about 737.1746592965.

The spelling of 400600229 in words is "four hundred million, six hundred thousand, two hundred twenty-nine".