216025828 has 12 divisors (see below), whose sum is σ = 378362880. Its totient is φ = 107922152.

The previous prime is 216025819. The next prime is 216025841. The reversal of 216025828 is 828520612.

It is a junction number, because it is equal to n+sod(n) for n = 216025793 and 216025802.

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, 17188 + ... + 26971.

It is an arithmetic number, because the mean of its divisors is an integer number (31530240).

Almost surely, 2^216025828 is an apocalyptic number.

It is an amenable number.

216025828 is a deficient number, since it is larger than the sum of its proper divisors (162337052).

216025828 is a wasteful number, since it uses less digits than its factorization.

216025828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45386 (or 45384 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 216025828 is about 14697.8171168375. The cubic root of 216025828 is about 600.0239138617.

The spelling of 216025828 in words is "two hundred sixteen million, twenty-five thousand, eight hundred twenty-eight".