216360346 has 8 divisors (see below), whose sum is σ = 335009664. Its totient is φ = 104690460.

The previous prime is 216360323. The next prime is 216360371. The reversal of 216360346 is 643063612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1744780 + ... + 1744903.

It is an arithmetic number, because the mean of its divisors is an integer number (41876208).

Almost surely, 2^216360346 is an apocalyptic number.

216360346 is a deficient number, since it is larger than the sum of its proper divisors (118649318).

216360346 is a wasteful number, since it uses less digits than its factorization.

216360346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3489716.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 216360346 is about 14709.1925679148. The cubic root of 216360346 is about 600.3334683342. Note that the first 3 decimals are identical.

The spelling of 216360346 in words is "two hundred sixteen million, three hundred sixty thousand, three hundred forty-six".