609001606 has 4 divisors (see below), whose sum is σ = 913502412. Its totient is φ = 304500802.

The previous prime is 609001583. The next prime is 609001609. The reversal of 609001606 is 606100906.

It is a happy number.

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

It is a super-2 number, since 2×609001606² = 741765912221158472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609001609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152250400 + ... + 152250403.

It is an arithmetic number, because the mean of its divisors is an integer number (228375603).

Almost surely, 2^609001606 is an apocalyptic number.

609001606 is a deficient number, since it is larger than the sum of its proper divisors (304500806).

609001606 is a wasteful number, since it uses less digits than its factorization.

609001606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304500805.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 609001606 is about 24677.9578976868. The cubic root of 609001606 is about 847.6296618850.

The spelling of 609001606 in words is "six hundred nine million, one thousand, six hundred six".