210417980 has 12 divisors (see below), whose sum is σ = 441877800. Its totient is φ = 84167184.

The previous prime is 210417973. The next prime is 210418009. The reversal of 210417980 is 89714012.

210417980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 5260430 + ... + 5260469.

It is an arithmetic number, because the mean of its divisors is an integer number (36823150).

Almost surely, 2^210417980 is an apocalyptic number.

210417980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210417980 is an abundant number, since it is smaller than the sum of its proper divisors (231459820).

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

210417980 is a wasteful number, since it uses less digits than its factorization.

210417980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10520908 (or 10520906 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 210417980 is about 14505.7912572876. The cubic root of 210417980 is about 594.7862895605.

The spelling of 210417980 in words is "two hundred ten million, four hundred seventeen thousand, nine hundred eighty".