210494 has 16 divisors (see below), whose sum is σ = 344736. Its totient is φ = 96000.

The previous prime is 210491. The next prime is 210499. The reversal of 210494 is 494012.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 210494.

It is not an unprimeable number, because it can be changed into a prime (210491) 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 7 ways as a sum of consecutive naturals, for example, 1319 + ... + 1469.

It is an arithmetic number, because the mean of its divisors is an integer number (21546).

2²¹⁰⁴⁹⁴ is an apocalyptic number.

210494 is a deficient number, since it is larger than the sum of its proper divisors (134242).

210494 is a wasteful number, since it uses less digits than its factorization.

210494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 210494 is about 458.7962510745. The cubic root of 210494 is about 59.4857909248.

It can be divided in two parts, 210 and 494, that multiplied together give a triangular number (103740 = T₄₅₅).

The spelling of 210494 in words is "two hundred ten thousand, four hundred ninety-four".