609429876 has 24 divisors (see below), whose sum is σ = 1551276384. Its totient is φ = 184675680.

The previous prime is 609429869. The next prime is 609429893. The reversal of 609429876 is 678924906.

It is a happy number.

It is a super-2 number, since 2×609429876² = 742809547522750752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2308315 + ... + 2308578.

It is an arithmetic number, because the mean of its divisors is an integer number (64636516).

Almost surely, 2^609429876 is an apocalyptic number.

609429876 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

609429876 is an abundant number, since it is smaller than the sum of its proper divisors (941846508).

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

609429876 is a wasteful number, since it uses less digits than its factorization.

609429876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4616911 (or 4616909 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 609429876 is about 24686.6335493522. The cubic root of 609429876 is about 847.8283090316.

The spelling of 609429876 in words is "six hundred nine million, four hundred twenty-nine thousand, eight hundred seventy-six".