400234214 has 4 divisors (see below), whose sum is σ = 600351324. Its totient is φ = 200117106.

The previous prime is 400234199. The next prime is 400234223. The reversal of 400234214 is 412432004.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100058552 + ... + 100058555.

It is an arithmetic number, because the mean of its divisors is an integer number (150087831).

Almost surely, 2^400234214 is an apocalyptic number.

400234214 is a deficient number, since it is larger than the sum of its proper divisors (200117110).

400234214 is a wasteful number, since it uses less digits than its factorization.

400234214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200117109.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 400234214 is about 20005.8544931228. The cubic root of 400234214 is about 736.9500802944.

Adding to 400234214 its reverse (412432004), we get a palindrome (812666218).

The spelling of 400234214 in words is "four hundred million, two hundred thirty-four thousand, two hundred fourteen".