609546906 has 12 divisors (see below), whose sum is σ = 1320685002. Its totient is φ = 203182296.

The previous prime is 609546881. The next prime is 609546907. The reversal of 609546906 is 609645906.

It can be written as a sum of positive squares in only one way, i.e., 601475625 + 8071281 = 24525^2 + 2841^2 .

It is a super-2 number, since 2×609546906² = 743094861228345672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (609546907) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16931841 + ... + 16931876.

Almost surely, 2^609546906 is an apocalyptic number.

609546906 is an abundant number, since it is smaller than the sum of its proper divisors (711138096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

609546906 is a wasteful number, since it uses less digits than its factorization.

609546906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33863725 (or 33863722 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 609546906 is about 24689.0037466075. The cubic root of 609546906 is about 847.8825755958.

The spelling of 609546906 in words is "six hundred nine million, five hundred forty-six thousand, nine hundred six".