3500609 has 12 divisors (see below), whose sum is σ = 4104000. Its totient is φ = 2977128.

The previous prime is 3500593. The next prime is 3500671. The reversal of 3500609 is 9060053.

It is not a de Polignac number, because 3500609 - 2⁴ = 3500593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3500689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9572 + ... + 9930.

It is an arithmetic number, because the mean of its divisors is an integer number (342000).

Almost surely, 2^3500609 is an apocalyptic number.

It is an amenable number.

3500609 is a deficient number, since it is larger than the sum of its proper divisors (603391).

3500609 is a wasteful number, since it uses less digits than its factorization.

3500609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 3500609 is about 1870.9914484038. The cubic root of 3500609 is about 151.8382541911.

The spelling of 3500609 in words is "three million, five hundred thousand, six hundred nine".