400234213 has 8 divisors (see below), whose sum is σ = 427014720. Its totient is φ = 373813440.

The previous prime is 400234199. The next prime is 400234223. The reversal of 400234213 is 312432004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400234213 - 2¹⁷ = 400103141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400234223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87633 + ... + 92086.

It is an arithmetic number, because the mean of its divisors is an integer number (53376840).

Almost surely, 2^400234213 is an apocalyptic number.

It is an amenable number.

400234213 is a deficient number, since it is larger than the sum of its proper divisors (26780507).

400234213 is a wasteful number, since it uses less digits than its factorization.

400234213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179867.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 400234213 is about 20005.8544681301. The cubic root of 400234213 is about 736.9500796807.

Adding to 400234213 its reverse (312432004), we get a palindrome (712666217).

The spelling of 400234213 in words is "four hundred million, two hundred thirty-four thousand, two hundred thirteen".