609903430 has 8 divisors (see below), whose sum is σ = 1097826192. Its totient is φ = 243961368.

The previous prime is 609903421. The next prime is 609903433. The reversal of 609903430 is 34309906.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609903433) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 30495162 + ... + 30495181.

It is an arithmetic number, because the mean of its divisors is an integer number (137228274).

Almost surely, 2^609903430 is an apocalyptic number.

609903430 is a deficient number, since it is larger than the sum of its proper divisors (487922762).

609903430 is a wasteful number, since it uses less digits than its factorization.

609903430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60990350.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 609903430 is about 24696.2229905708. Note that the first 3 decimals coincide. The cubic root of 609903430 is about 848.0478522228.

The spelling of 609903430 in words is "six hundred nine million, nine hundred three thousand, four hundred thirty".