213406016 has 28 divisors (see below), whose sum is σ = 425356020. Its totient is φ = 106229760.

The previous prime is 213406007. The next prime is 213406021. The reversal of 213406016 is 610604312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 194881600 + 18524416 = 13960^2 + 4304^2 .

It is a junction number, because it is equal to n+sod(n) for n = 213405982 and 213406000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7376 + ... + 21936.

Almost surely, 2^213406016 is an apocalyptic number.

It is an amenable number.

213406016 is a deficient number, since it is larger than the sum of its proper divisors (211950004).

213406016 is a wasteful number, since it uses less digits than its factorization.

213406016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14802 (or 14792 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 213406016 is about 14608.4227759194. The cubic root of 213406016 is about 597.5884835958.

The spelling of 213406016 in words is "two hundred thirteen million, four hundred six thousand, sixteen".