213302046 has 16 divisors (see below), whose sum is σ = 445152384. Its totient is φ = 68009304.

The previous prime is 213302021. The next prime is 213302057. The reversal of 213302046 is 640203312.

It is a happy number.

It is a super-2 number, since 2×213302046² = 90995525655572232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 772696 + ... + 772971.

It is an arithmetic number, because the mean of its divisors is an integer number (27822024).

Almost surely, 2^213302046 is an apocalyptic number.

213302046 is an abundant number, since it is smaller than the sum of its proper divisors (231850338).

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

213302046 is a wasteful number, since it uses less digits than its factorization.

213302046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545695.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 213302046 is about 14604.8637788923. The cubic root of 213302046 is about 597.4914207786.

Adding to 213302046 its reverse (640203312), we get a palindrome (853505358).

The spelling of 213302046 in words is "two hundred thirteen million, three hundred two thousand, forty-six".