609939038 has 4 divisors (see below), whose sum is σ = 914908560. Its totient is φ = 304969518.

The previous prime is 609938977. The next prime is 609939059. The reversal of 609939038 is 830939906.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 609938983 and 609939001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152484758 + ... + 152484761.

It is an arithmetic number, because the mean of its divisors is an integer number (228727140).

Almost surely, 2^609939038 is an apocalyptic number.

609939038 is a deficient number, since it is larger than the sum of its proper divisors (304969522).

609939038 is a wasteful number, since it uses less digits than its factorization.

609939038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304969521.

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 609939038 is about 24696.9439000051. The cubic root of 609939038 is about 848.0643557646.

The spelling of 609939038 in words is "six hundred nine million, nine hundred thirty-nine thousand, thirty-eight".