609697536 has 288 divisors, whose sum is σ = 2009333760. Its totient is φ = 160247808.

The previous prime is 609697513. The next prime is 609697567. The reversal of 609697536 is 635796906.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4800705 + ... + 4800831.

Almost surely, 2^609697536 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 609697536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1004666880).

609697536 is an abundant number, since it is smaller than the sum of its proper divisors (1399636224).

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

609697536 is a wasteful number, since it uses less digits than its factorization.

609697536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 51.

The square root of 609697536 is about 24692.0541065339. The cubic root of 609697536 is about 847.9524121865.

It can be divided in two parts, 6096 and 97536, that multiplied together give a square (594579456 = 24384²).

The spelling of 609697536 in words is "six hundred nine million, six hundred ninety-seven thousand, five hundred thirty-six".