1628606 has 8 divisors (see below), whose sum is σ = 2791920. Its totient is φ = 697968.

The previous prime is 1628603. The next prime is 1628621. The reversal of 1628606 is 6068261.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1628603) 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 3 ways as a sum of consecutive naturals, for example, 58151 + ... + 58178.

It is an arithmetic number, because the mean of its divisors is an integer number (348990).

2^1628606 is an apocalyptic number.

1628606 is a deficient number, since it is larger than the sum of its proper divisors (1163314).

1628606 is a wasteful number, since it uses less digits than its factorization.

1628606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116338.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1628606 is about 1276.1684841744. The cubic root of 1628606 is about 117.6536333483.

The spelling of 1628606 in words is "one million, six hundred twenty-eight thousand, six hundred six".