210029089 has 4 divisors (see below), whose sum is σ = 213991956. Its totient is φ = 206066224.

The previous prime is 210029081. The next prime is 210029117. The reversal of 210029089 is 980920012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 152769600 + 57259489 = 12360^2 + 7567^2 .

It is a cyclic number.

It is not a de Polignac number, because 210029089 - 2³ = 210029081 is a prime.

It is a super-2 number, since 2×210029089² = 88224436452339842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210029089.

It is not an unprimeable number, because it can be changed into a prime (210029081) 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, 1981354 + ... + 1981459.

It is an arithmetic number, because the mean of its divisors is an integer number (53497989).

Almost surely, 2^210029089 is an apocalyptic number.

It is an amenable number.

210029089 is a deficient number, since it is larger than the sum of its proper divisors (3962867).

210029089 is an equidigital number, since it uses as much as digits as its factorization.

210029089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962866.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 210029089 is about 14492.3803772879. The cubic root of 210029089 is about 594.4196388895.

The spelling of 210029089 in words is "two hundred ten million, twenty-nine thousand, eighty-nine".