609556146 has 16 divisors (see below), whose sum is σ = 1225431264. Its totient is φ = 202132224.

The previous prime is 609556141. The next prime is 609556147. The reversal of 609556146 is 641655906.

It is a junction number, because it is equal to n+sod(n) for n = 609556098 and 609556107.

It is not an unprimeable number, because it can be changed into a prime (609556141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262036 + ... + 264351.

It is an arithmetic number, because the mean of its divisors is an integer number (76589454).

Almost surely, 2^609556146 is an apocalyptic number.

609556146 is an abundant number, since it is smaller than the sum of its proper divisors (615875118).

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

609556146 is a wasteful number, since it uses less digits than its factorization.

609556146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526585.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 609556146 is about 24689.1908737407. The cubic root of 609556146 is about 847.8868598684.

The spelling of 609556146 in words is "six hundred nine million, five hundred fifty-six thousand, one hundred forty-six".