609985126 has 32 divisors (see below), whose sum is σ = 995615712. Its totient is φ = 279152640.

The previous prime is 609985081. The next prime is 609985127. The reversal of 609985126 is 621589906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609985127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 650530 + ... + 651466.

It is an arithmetic number, because the mean of its divisors is an integer number (31112991).

Almost surely, 2^609985126 is an apocalyptic number.

609985126 is a deficient number, since it is larger than the sum of its proper divisors (385630586).

609985126 is a wasteful number, since it uses less digits than its factorization.

609985126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 609985126 is about 24697.8769532930. The cubic root of 609985126 is about 848.0857156073.

The spelling of 609985126 in words is "six hundred nine million, nine hundred eighty-five thousand, one hundred twenty-six".