210849429 has 16 divisors (see below), whose sum is σ = 329132160. Its totient is φ = 117546240.

The previous prime is 210849413. The next prime is 210849437. The reversal of 210849429 is 924948012.

It is not a de Polignac number, because 210849429 - 2⁴ = 210849413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210849029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121584 + ... + 123305.

It is an arithmetic number, because the mean of its divisors is an integer number (20570760).

Almost surely, 2^210849429 is an apocalyptic number.

It is an amenable number.

210849429 is a deficient number, since it is larger than the sum of its proper divisors (118282731).

210849429 is a wasteful number, since it uses less digits than its factorization.

210849429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244940.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 210849429 is about 14520.6552538100. The cubic root of 210849429 is about 595.1925361416.

The spelling of 210849429 in words is "two hundred ten million, eight hundred forty-nine thousand, four hundred twenty-nine".