216962854 has 4 divisors (see below), whose sum is σ = 325444284. Its totient is φ = 108481426.

The previous prime is 216962807. The next prime is 216962873. The reversal of 216962854 is 458269612.

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

It is a self number, because there is not a number n which added to its sum of digits gives 216962854.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54240712 + ... + 54240715.

It is an arithmetic number, because the mean of its divisors is an integer number (81361071).

Almost surely, 2^216962854 is an apocalyptic number.

216962854 is a deficient number, since it is larger than the sum of its proper divisors (108481430).

216962854 is a wasteful number, since it uses less digits than its factorization.

216962854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108481429.

The product of its digits is 207360, while the sum is 43.

The square root of 216962854 is about 14729.6589913005. The cubic root of 216962854 is about 600.8902100384.

The spelling of 216962854 in words is "two hundred sixteen million, nine hundred sixty-two thousand, eight hundred fifty-four".