356609 has 8 divisors (see below), whose sum is σ = 412128. Its totient is φ = 304960.

The previous prime is 356591. The next prime is 356621. The reversal of 356609 is 906653.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-356609 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767 + ... + 1140.

It is an arithmetic number, because the mean of its divisors is an integer number (51516).

2³⁵⁶⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

356609 is a deficient number, since it is larger than the sum of its proper divisors (55519).

356609 is a wasteful number, since it uses less digits than its factorization.

356609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 356609 is about 597.1674806953. The cubic root of 356609 is about 70.9138013626.

The spelling of 356609 in words is "three hundred fifty-six thousand, six hundred nine".