213341466 has 64 divisors (see below), whose sum is σ = 489234816. Its totient is φ = 61440000.

The previous prime is 213341459. The next prime is 213341497. The reversal of 213341466 is 664143312.

It is a super-2 number, since 2×213341466² = 91029162230058312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 332506 + ... + 333146.

It is an arithmetic number, because the mean of its divisors is an integer number (7644294).

Almost surely, 2^213341466 is an apocalyptic number.

213341466 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 213341466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244617408).

213341466 is an abundant number, since it is smaller than the sum of its proper divisors (275893350).

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

213341466 is a wasteful number, since it uses less digits than its factorization.

213341466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927.

The product of its digits is 10368, while the sum is 30.

The square root of 213341466 is about 14606.2132669628. The cubic root of 213341466 is about 597.5282256468.

Adding to 213341466 its reverse (664143312), we get a palindrome (877484778).

The spelling of 213341466 in words is "two hundred thirteen million, three hundred forty-one thousand, four hundred sixty-six".