210197028 has 48 divisors (see below), whose sum is σ = 496290816. Its totient is φ = 69239040.

The previous prime is 210196979. The next prime is 210197041. The reversal of 210197028 is 820791012.

It is a junction number, because it is equal to n+sod(n) for n = 210196986 and 210197004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 671400 + ... + 671712.

It is an arithmetic number, because the mean of its divisors is an integer number (10339392).

Almost surely, 2^210197028 is an apocalyptic number.

It is an amenable number.

210197028 is an abundant number, since it is smaller than the sum of its proper divisors (286093788).

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

210197028 is a wasteful number, since it uses less digits than its factorization.

210197028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 210197028 is about 14498.1732642426. The cubic root of 210197028 is about 594.5780290836.

The spelling of 210197028 in words is "two hundred ten million, one hundred ninety-seven thousand, twenty-eight".