216304462 has 8 divisors (see below), whose sum is σ = 353952792. Its totient is φ = 98320200.

The previous prime is 216304457. The next prime is 216304463. The reversal of 216304462 is 264403612.

216304462 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 super-2 number, since 2×216304462² = 93575240562218888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 216304462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216304463) 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, 4915989 + ... + 4916032.

It is an arithmetic number, because the mean of its divisors is an integer number (44244099).

Almost surely, 2^216304462 is an apocalyptic number.

216304462 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

216304462 is a deficient number, since it is larger than the sum of its proper divisors (137648330).

216304462 is a wasteful number, since it uses less digits than its factorization.

216304462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9832034.

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

The square root of 216304462 is about 14707.2928168307. The cubic root of 216304462 is about 600.2817769082.

The spelling of 216304462 in words is "two hundred sixteen million, three hundred four thousand, four hundred sixty-two".