213958466 has 16 divisors (see below), whose sum is σ = 345696768. Its totient is φ = 99026400.

The previous prime is 213958463. The next prime is 213958483. The reversal of 213958466 is 664859312.

It is not an unprimeable number, because it can be changed into a prime (213958463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73595 + ... + 76446.

It is an arithmetic number, because the mean of its divisors is an integer number (21606048).

Almost surely, 2^213958466 is an apocalyptic number.

213958466 is a deficient number, since it is larger than the sum of its proper divisors (131738302).

213958466 is a wasteful number, since it uses less digits than its factorization.

213958466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150097.

The product of its digits is 311040, while the sum is 44.

The square root of 213958466 is about 14627.3191665459. The cubic root of 213958466 is about 598.1037038226.

The spelling of 213958466 in words is "two hundred thirteen million, nine hundred fifty-eight thousand, four hundred sixty-six".