213364646 has 8 divisors (see below), whose sum is σ = 349142184. Its totient is φ = 96983920.

The previous prime is 213364643. The next prime is 213364673. The reversal of 213364646 is 646463312.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213364643) 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, 4849175 + ... + 4849218.

It is an arithmetic number, because the mean of its divisors is an integer number (43642773).

Almost surely, 2^213364646 is an apocalyptic number.

213364646 is a deficient number, since it is larger than the sum of its proper divisors (135777538).

213364646 is a wasteful number, since it uses less digits than its factorization.

213364646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9698406.

The product of its digits is 62208, while the sum is 35.

The square root of 213364646 is about 14607.0067433407. The cubic root of 213364646 is about 597.5498657635.

The spelling of 213364646 in words is "two hundred thirteen million, three hundred sixty-four thousand, six hundred forty-six".