1608628 has 24 divisors (see below), whose sum is σ = 3265472. Its totient is φ = 679104.

The previous prime is 1608617. The next prime is 1608637. The reversal of 1608628 is 8268061.

It is a self number, because there is not a number n which added to its sum of digits gives 1608628.

It is a congruent number.

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, 1651 + ... + 2437.

2^1608628 is an apocalyptic number.

It is an amenable number.

1608628 is an abundant number, since it is smaller than the sum of its proper divisors (1656844).

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

1608628 is a wasteful number, since it uses less digits than its factorization.

1608628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1608628 is about 1268.3169950765. The cubic root of 1608628 is about 117.1705696312.

The spelling of 1608628 in words is "one million, six hundred eight thousand, six hundred twenty-eight".