209292030 has 48 divisors (see below), whose sum is σ = 572803920. Its totient is φ = 52873344.

The previous prime is 209292007. The next prime is 209292073. The reversal of 209292030 is 30292902.

It is a junction number, because it is equal to n+sod(n) for n = 209291985 and 209292003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59487 + ... + 62906.

It is an arithmetic number, because the mean of its divisors is an integer number (11933415).

Almost surely, 2^209292030 is an apocalyptic number.

209292030 is an abundant number, since it is smaller than the sum of its proper divisors (363511890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

209292030 is a wasteful number, since it uses less digits than its factorization.

209292030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122425 (or 122422 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 209292030 is about 14466.9288378702. The cubic root of 209292030 is about 593.7234879390.

The spelling of 209292030 in words is "two hundred nine million, two hundred ninety-two thousand, thirty".