216283854 has 16 divisors (see below), whose sum is σ = 433136592. Its totient is φ = 71999808.

The previous prime is 216283849. The next prime is 216283867. The reversal of 216283854 is 458382612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18679 + ... + 27954.

It is an arithmetic number, because the mean of its divisors is an integer number (27071037).

Almost surely, 2^216283854 is an apocalyptic number.

216283854 is an abundant number, since it is smaller than the sum of its proper divisors (216852738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216283854 is a wasteful number, since it uses less digits than its factorization.

216283854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47411.

The product of its digits is 92160, while the sum is 39.

The square root of 216283854 is about 14706.5921953388. The cubic root of 216283854 is about 600.2627127310.

The spelling of 216283854 in words is "two hundred sixteen million, two hundred eighty-three thousand, eight hundred fifty-four".