213394466 has 32 divisors (see below), whose sum is σ = 339081600. Its totient is φ = 100590336.

The previous prime is 213394457. The next prime is 213394469. The reversal of 213394466 is 664493312.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (213394469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 633050 + ... + 633386.

It is an arithmetic number, because the mean of its divisors is an integer number (10596300).

Almost surely, 2^213394466 is an apocalyptic number.

213394466 is a deficient number, since it is larger than the sum of its proper divisors (125687134).

213394466 is a wasteful number, since it uses less digits than its factorization.

213394466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618.

The product of its digits is 93312, while the sum is 38.

The square root of 213394466 is about 14608.0274506861. The cubic root of 213394466 is about 597.5777024697.

The spelling of 213394466 in words is "two hundred thirteen million, three hundred ninety-four thousand, four hundred sixty-six".