609879132 has 120 divisors (see below), whose sum is σ = 1675677696. Its totient is φ = 193054752.

The previous prime is 609879121. The next prime is 609879133. The reversal of 609879132 is 231978906.

609879132 is a `hidden beast` number, since 609 + 8 + 7 + 9 + 1 + 32 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609879133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1661613 + ... + 1661979.

Almost surely, 2^609879132 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 609879132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (837838848).

609879132 is an abundant number, since it is smaller than the sum of its proper divisors (1065798564).

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

609879132 is a wasteful number, since it uses less digits than its factorization.

609879132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 609879132 is about 24695.7310480982. The cubic root of 609879132 is about 848.0365902539.

The spelling of 609879132 in words is "six hundred nine million, eight hundred seventy-nine thousand, one hundred thirty-two".