814213912 has 16 divisors (see below), whose sum is σ = 1616454360. Its totient is φ = 383159424.

The previous prime is 814213849. The next prime is 814213913. The reversal of 814213912 is 219312418.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814213913) 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, 2993298 + ... + 2993569.

Almost surely, 2^814213912 is an apocalyptic number.

It is an amenable number.

814213912 is a deficient number, since it is larger than the sum of its proper divisors (802240448).

814213912 is a wasteful number, since it uses less digits than its factorization.

814213912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5986890 (or 5986886 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 814213912 is about 28534.4337949783. The cubic root of 814213912 is about 933.7834510279.

The spelling of 814213912 in words is "eight hundred fourteen million, two hundred thirteen thousand, nine hundred twelve".