210836042 has 8 divisors (see below), whose sum is σ = 316461600. Its totient is φ = 105348844.

The previous prime is 210836029. The next prime is 210836047. The reversal of 210836042 is 240638012.

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

It is not an unprimeable number, because it can be changed into a prime (210836047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30692 + ... + 36927.

It is an arithmetic number, because the mean of its divisors is an integer number (39557700).

Almost surely, 2^210836042 is an apocalyptic number.

210836042 is a deficient number, since it is larger than the sum of its proper divisors (105625558).

210836042 is a wasteful number, since it uses less digits than its factorization.

210836042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69180.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 210836042 is about 14520.1942824468. The cubic root of 210836042 is about 595.1799394573.

The spelling of 210836042 in words is "two hundred ten million, eight hundred thirty-six thousand, forty-two".