213456662 has 8 divisors (see below), whose sum is σ = 323122800. Its totient is φ = 105749064.

The previous prime is 213456637. The next prime is 213456667. The reversal of 213456662 is 266654312.

It is a happy number.

213456662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213456667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489362 + ... + 489797.

It is an arithmetic number, because the mean of its divisors is an integer number (40390350).

Almost surely, 2^213456662 is an apocalyptic number.

213456662 is a deficient number, since it is larger than the sum of its proper divisors (109666138).

213456662 is a wasteful number, since it uses less digits than its factorization.

213456662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979270.

The product of its digits is 51840, while the sum is 35.

The square root of 213456662 is about 14610.1561251069. The cubic root of 213456662 is about 597.6357535416.

The spelling of 213456662 in words is "two hundred thirteen million, four hundred fifty-six thousand, six hundred sixty-two".