609578436 has 12 divisors (see below), whose sum is σ = 1422349712. Its totient is φ = 203192808.

The previous prime is 609578419. The next prime is 609578443. The reversal of 609578436 is 634875906.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25399090 + ... + 25399113.

Almost surely, 2^609578436 is an apocalyptic number.

It is an amenable number.

609578436 is an abundant number, since it is smaller than the sum of its proper divisors (812771276).

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

609578436 is a wasteful number, since it uses less digits than its factorization.

609578436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50798210 (or 50798208 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The square root of 609578436 is about 24689.6422817343. The cubic root of 609578436 is about 847.8971948025.

The spelling of 609578436 in words is "six hundred nine million, five hundred seventy-eight thousand, four hundred thirty-six".