813400214 has 16 divisors (see below), whose sum is σ = 1336839120. Its totient is φ = 368110560.

The previous prime is 813400187. The next prime is 813400219. The reversal of 813400214 is 412004318.

It is a self number, because there is not a number n which added to its sum of digits gives 813400214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813400219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75689 + ... + 85764.

It is an arithmetic number, because the mean of its divisors is an integer number (83552445).

Almost surely, 2^813400214 is an apocalyptic number.

813400214 is a deficient number, since it is larger than the sum of its proper divisors (523438906).

813400214 is a wasteful number, since it uses less digits than its factorization.

813400214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161695.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 813400214 is about 28520.1720541795. The cubic root of 813400214 is about 933.4722834227.

The spelling of 813400214 in words is "eight hundred thirteen million, four hundred thousand, two hundred fourteen".