609632 has 12 divisors (see below), whose sum is σ = 1200276. Its totient is φ = 304800.

The previous prime is 609619. The next prime is 609641. The reversal of 609632 is 236906.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

609632 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9494 + ... + 9557.

It is an arithmetic number, because the mean of its divisors is an integer number (100023).

2⁶⁰⁹⁶³² is an apocalyptic number.

It is an amenable number.

609632 is a deficient number, since it is larger than the sum of its proper divisors (590644).

609632 is a wasteful number, since it uses less digits than its factorization.

609632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19061 (or 19053 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 609632 is about 780.7893441896. The cubic root of 609632 is about 84.7922029143.

The spelling of 609632 in words is "six hundred nine thousand, six hundred thirty-two".