216892463 has 4 divisors (see below), whose sum is σ = 217004040. Its totient is φ = 216780888.

The previous prime is 216892457. The next prime is 216892471. The reversal of 216892463 is 364298612.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 216892463 - 2⁴ = 216892447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 216892463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216892063) 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, 52820 + ... + 56777.

It is an arithmetic number, because the mean of its divisors is an integer number (54251010).

Almost surely, 2^216892463 is an apocalyptic number.

216892463 is a deficient number, since it is larger than the sum of its proper divisors (111577).

216892463 is a wasteful number, since it uses less digits than its factorization.

216892463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111576.

The product of its digits is 124416, while the sum is 41.

The square root of 216892463 is about 14727.2693667224. The cubic root of 216892463 is about 600.8252191316.

The spelling of 216892463 in words is "two hundred sixteen million, eight hundred ninety-two thousand, four hundred sixty-three".