216034830 has 64 divisors (see below), whose sum is σ = 628473600. Its totient is φ = 52371360.

The previous prime is 216034801. The next prime is 216034831. The reversal of 216034830 is 38430612.

It is a happy number.

216034830 is a `hidden beast` number, since 21 + 603 + 4 + 8 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 216034794 and 216034803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216034831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33400 + ... + 39339.

It is an arithmetic number, because the mean of its divisors is an integer number (9819900).

Almost surely, 2^216034830 is an apocalyptic number.

216034830 is an abundant number, since it is smaller than the sum of its proper divisors (412438770).

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

216034830 is a wasteful number, since it uses less digits than its factorization.

216034830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72766 (or 72760 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 216034830 is about 14698.1233495981. The cubic root of 216034830 is about 600.0322482667.

The spelling of 216034830 in words is "two hundred sixteen million, thirty-four thousand, eight hundred thirty".