609609628 has 6 divisors (see below), whose sum is σ = 1066816856. Its totient is φ = 304804812.

The previous prime is 609609587. The next prime is 609609673. The reversal of 609609628 is 826906906.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76201200 + ... + 76201207.

Almost surely, 2^609609628 is an apocalyptic number.

It is an amenable number.

609609628 is a deficient number, since it is larger than the sum of its proper divisors (457207228).

609609628 is a wasteful number, since it uses less digits than its factorization.

609609628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152402411 (or 152402409 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 609609628 is about 24690.2739555478. The cubic root of 609609628 is about 847.9116567960.

The spelling of 609609628 in words is "six hundred nine million, six hundred nine thousand, six hundred twenty-eight".