400013214 has 16 divisors (see below), whose sum is σ = 807367440. Its totient is φ = 132114240.

The previous prime is 400013191. The next prime is 400013239. The reversal of 400013214 is 412310004.

It is a junction number, because it is equal to n+sod(n) for n = 400013193 and 400013202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305167 + ... + 306474.

It is an arithmetic number, because the mean of its divisors is an integer number (50460465).

Almost surely, 2^400013214 is an apocalyptic number.

400013214 is an abundant number, since it is smaller than the sum of its proper divisors (407354226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400013214 is a wasteful number, since it uses less digits than its factorization.

400013214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611755.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 400013214 is about 20000.3303472718. The cubic root of 400013214 is about 736.8144131041.

Adding to 400013214 its reverse (412310004), we get a palindrome (812323218).

The spelling of 400013214 in words is "four hundred million, thirteen thousand, two hundred fourteen".