213626086 has 8 divisors (see below), whose sum is σ = 329099760. Its totient is φ = 103926168.

The previous prime is 213626059. The next prime is 213626089. The reversal of 213626086 is 680626312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×213626086² = 91272209239358792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213626089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1443346 + ... + 1443493.

It is an arithmetic number, because the mean of its divisors is an integer number (41137470).

Almost surely, 2^213626086 is an apocalyptic number.

213626086 is a deficient number, since it is larger than the sum of its proper divisors (115473674).

213626086 is a wasteful number, since it uses less digits than its factorization.

213626086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2886878.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 213626086 is about 14615.9531334771. The cubic root of 213626086 is about 597.7938294431.

The spelling of 213626086 in words is "two hundred thirteen million, six hundred twenty-six thousand, eighty-six".