210842973 has 16 divisors (see below), whose sum is σ = 340756800. Its totient is φ = 127783440.

The previous prime is 210842941. The next prime is 210842977. The reversal of 210842973 is 379248012.

210842973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 210842973 - 2⁵ = 210842941 is a prime.

It is a super-3 number, since 3×210842973³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210842977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354658 + ... + 355251.

It is an arithmetic number, because the mean of its divisors is an integer number (21297300).

Almost surely, 2^210842973 is an apocalyptic number.

It is an amenable number.

210842973 is a deficient number, since it is larger than the sum of its proper divisors (129913827).

210842973 is a wasteful number, since it uses less digits than its factorization.

210842973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709929 (or 709923 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 210842973 is about 14520.4329480908. The cubic root of 210842973 is about 595.1864613449.

The spelling of 210842973 in words is "two hundred ten million, eight hundred forty-two thousand, nine hundred seventy-three".