609269438 has 4 divisors (see below), whose sum is σ = 913904160. Its totient is φ = 304634718.

The previous prime is 609269407. The next prime is 609269473. The reversal of 609269438 is 834962906.

609269438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 609269392 and 609269401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152317358 + ... + 152317361.

It is an arithmetic number, because the mean of its divisors is an integer number (228476040).

Almost surely, 2^609269438 is an apocalyptic number.

609269438 is a deficient number, since it is larger than the sum of its proper divisors (304634722).

609269438 is a wasteful number, since it uses less digits than its factorization.

609269438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304634721.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 609269438 is about 24683.3838441977. The cubic root of 609269438 is about 847.7539029778.

The spelling of 609269438 in words is "six hundred nine million, two hundred sixty-nine thousand, four hundred thirty-eight".