216840602 has 8 divisors (see below), whose sum is σ = 354830112. Its totient is φ = 98563900.

The previous prime is 216840599. The next prime is 216840623. The reversal of 216840602 is 206048612.

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

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, 4928174 + ... + 4928217.

It is an arithmetic number, because the mean of its divisors is an integer number (44353764).

Almost surely, 2^216840602 is an apocalyptic number.

216840602 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

216840602 is a deficient number, since it is larger than the sum of its proper divisors (137989510).

216840602 is a wasteful number, since it uses less digits than its factorization.

216840602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9856404.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 216840602 is about 14725.5085480944. The cubic root of 216840602 is about 600.7773276864. Note that the first 3 decimals are identical.

The spelling of 216840602 in words is "two hundred sixteen million, eight hundred forty thousand, six hundred two".