209095004 has 12 divisors (see below), whose sum is σ = 366076200. Its totient is φ = 104501808.

The previous prime is 209094989. The next prime is 209095009. The reversal of 209095004 is 400590902.

209095004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209095009) 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, 182 + ... + 20450.

It is an arithmetic number, because the mean of its divisors is an integer number (30506350).

Almost surely, 2^209095004 is an apocalyptic number.

It is an amenable number.

209095004 is a deficient number, since it is larger than the sum of its proper divisors (156981196).

209095004 is a wasteful number, since it uses less digits than its factorization.

209095004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22852 (or 22850 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 209095004 is about 14460.1177035320. The cubic root of 209095004 is about 593.5371204491.

The spelling of 209095004 in words is "two hundred nine million, ninety-five thousand, four".