210885742 has 8 divisors (see below), whose sum is σ = 317934936. Its totient is φ = 104907432.

The previous prime is 210885739. The next prime is 210885743. The reversal of 210885742 is 247588012.

210885742 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210885743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267228 + ... + 268015.

It is an arithmetic number, because the mean of its divisors is an integer number (39741867).

Almost surely, 2^210885742 is an apocalyptic number.

210885742 is a deficient number, since it is larger than the sum of its proper divisors (107049194).

210885742 is a wasteful number, since it uses less digits than its factorization.

210885742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535442.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 210885742 is about 14521.9055912094. The cubic root of 210885742 is about 595.2267026810.

The spelling of 210885742 in words is "two hundred ten million, eight hundred eighty-five thousand, seven hundred forty-two".