213873466 has 16 divisors (see below), whose sum is σ = 334212480. Its totient is φ = 102557920.

The previous prime is 213873437. The next prime is 213873469. The reversal of 213873466 is 664378312.

It is not an unprimeable number, because it can be changed into a prime (213873469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17266 + ... + 26941.

It is an arithmetic number, because the mean of its divisors is an integer number (20888280).

Almost surely, 2^213873466 is an apocalyptic number.

213873466 is a deficient number, since it is larger than the sum of its proper divisors (120339014).

213873466 is a wasteful number, since it uses less digits than its factorization.

213873466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44309.

The product of its digits is 145152, while the sum is 40.

The square root of 213873466 is about 14624.4133557555. The cubic root of 213873466 is about 598.0244897746.

The spelling of 213873466 in words is "two hundred thirteen million, eight hundred seventy-three thousand, four hundred sixty-six".