213466399 has 8 divisors (see below), whose sum is σ = 229207968. Its totient is φ = 198078720.

The previous prime is 213466369. The next prime is 213466439. The reversal of 213466399 is 993664312.

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

It is a cyclic number.

It is not a de Polignac number, because 213466399 - 2²⁵ = 179911967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213466369) 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 7 ways as a sum of consecutive naturals, for example, 87222 + ... + 89635.

It is an arithmetic number, because the mean of its divisors is an integer number (28650996).

Almost surely, 2^213466399 is an apocalyptic number.

213466399 is a deficient number, since it is larger than the sum of its proper divisors (15741569).

213466399 is a wasteful number, since it uses less digits than its factorization.

213466399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176945.

The product of its digits is 209952, while the sum is 43.

The square root of 213466399 is about 14610.4893484099. The cubic root of 213466399 is about 597.6448406178.

The spelling of 213466399 in words is "two hundred thirteen million, four hundred sixty-six thousand, three hundred ninety-nine".