1655606 has 4 divisors (see below), whose sum is σ = 2483412. Its totient is φ = 827802.

The previous prime is 1655597. The next prime is 1655623. The reversal of 1655606 is 6065561.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413900 + ... + 413903.

It is an arithmetic number, because the mean of its divisors is an integer number (620853).

2^1655606 is an apocalyptic number.

1655606 is a deficient number, since it is larger than the sum of its proper divisors (827806).

1655606 is an equidigital number, since it uses as much as digits as its factorization.

1655606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827805.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1655606 is about 1286.7035400589. The cubic root of 1655606 is about 118.3002504004.

The spelling of 1655606 in words is "one million, six hundred fifty-five thousand, six hundred six".