609060638 has 4 divisors (see below), whose sum is σ = 913590960. Its totient is φ = 304530318.

The previous prime is 609060629. The next prime is 609060653. The reversal of 609060638 is 836060906.

It is a happy number.

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

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, 152265158 + ... + 152265161.

It is an arithmetic number, because the mean of its divisors is an integer number (228397740).

Almost surely, 2^609060638 is an apocalyptic number.

609060638 is a deficient number, since it is larger than the sum of its proper divisors (304530322).

609060638 is a wasteful number, since it uses less digits than its factorization.

609060638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304530321.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 609060638 is about 24679.1539158051. The cubic root of 609060638 is about 847.6570485985.

The spelling of 609060638 in words is "six hundred nine million, sixty thousand, six hundred thirty-eight".