216234046 has 8 divisors (see below), whose sum is σ = 370686960. Its totient is φ = 92671728.

The previous prime is 216233989. The next prime is 216234047. The reversal of 216234046 is 640432612.

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 (216234047) 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, 7722631 + ... + 7722658.

It is an arithmetic number, because the mean of its divisors is an integer number (46335870).

Almost surely, 2^216234046 is an apocalyptic number.

216234046 is a deficient number, since it is larger than the sum of its proper divisors (154452914).

216234046 is a wasteful number, since it uses less digits than its factorization.

216234046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15445298.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 216234046 is about 14704.8987075736. The cubic root of 216234046 is about 600.2166310348.

Adding to 216234046 its reverse (640432612), we get a palindrome (856666658).

The spelling of 216234046 in words is "two hundred sixteen million, two hundred thirty-four thousand, forty-six".