213926706 has 48 divisors (see below), whose sum is σ = 530622144. Its totient is φ = 61018272.

The previous prime is 213926693. The next prime is 213926731. The reversal of 213926706 is 607629312.

213926706 = T₂₆₅ + T₂₆₆ + ... + T₁₀₉₁.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103176 + ... + 105228.

It is an arithmetic number, because the mean of its divisors is an integer number (11054628).

Almost surely, 2^213926706 is an apocalyptic number.

213926706 is an abundant number, since it is smaller than the sum of its proper divisors (316695438).

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

213926706 is a wasteful number, since it uses less digits than its factorization.

213926706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2895 (or 2892 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 213926706 is about 14626.2334864448. The cubic root of 213926706 is about 598.0741081820.

The spelling of 213926706 in words is "two hundred thirteen million, nine hundred twenty-six thousand, seven hundred six".