609353620 has 36 divisors (see below), whose sum is σ = 1290480660. Its totient is φ = 241694208.

The previous prime is 609353611. The next prime is 609353653. The reversal of 609353620 is 26353906.

It can be written as a sum of positive squares in 2 ways, for example, as 256064004 + 353289616 = 16002^2 + 18796^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 321636 + ... + 323524.

It is an arithmetic number, because the mean of its divisors is an integer number (35846685).

Almost surely, 2^609353620 is an apocalyptic number.

It is an amenable number.

609353620 is an abundant number, since it is smaller than the sum of its proper divisors (681127040).

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

609353620 is a wasteful number, since it uses less digits than its factorization.

609353620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152 (or 2023 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 34.

The square root of 609353620 is about 24685.0890215126. The cubic root of 609353620 is about 847.7929455469.

The spelling of 609353620 in words is "six hundred nine million, three hundred fifty-three thousand, six hundred twenty".