609538272 has 192 divisors, whose sum is σ = 1930521600. Its totient is φ = 164634624.

The previous prime is 609538261. The next prime is 609538283. The reversal of 609538272 is 272835906.

It is an interprime number because it is at equal distance from previous prime (609538261) and next prime (609538283).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1746354 + ... + 1746702.

It is an arithmetic number, because the mean of its divisors is an integer number (10054800).

Almost surely, 2^609538272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 609538272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (965260800).

609538272 is an abundant number, since it is smaller than the sum of its proper divisors (1320983328).

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

609538272 is a wasteful number, since it uses less digits than its factorization.

609538272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 609538272 is about 24688.8288908162. The cubic root of 609538272 is about 847.8785722655.

The spelling of 609538272 in words is "six hundred nine million, five hundred thirty-eight thousand, two hundred seventy-two".