609657104 has 40 divisors (see below), whose sum is σ = 1421010240. Its totient is φ = 247529088.

The previous prime is 609657079. The next prime is 609657121. The reversal of 609657104 is 401756906.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141119 + ... + 145374.

It is an arithmetic number, because the mean of its divisors is an integer number (35525256).

Almost surely, 2^609657104 is an apocalyptic number.

It is an amenable number.

609657104 is an abundant number, since it is smaller than the sum of its proper divisors (811353136).

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

609657104 is a wasteful number, since it uses less digits than its factorization.

609657104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286527 (or 286521 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 609657104 is about 24691.2353680410. The cubic root of 609657104 is about 847.9336678268.

The spelling of 609657104 in words is "six hundred nine million, six hundred fifty-seven thousand, one hundred four".