1628002 has 8 divisors (see below), whose sum is σ = 2526300. Its totient is φ = 785904.

The previous prime is 1627981. The next prime is 1628051. The reversal of 1628002 is 2008261.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1565001 + 63001 = 1251^2 + 251^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13977 + ... + 14092.

2^1628002 is an apocalyptic number.

1628002 is a deficient number, since it is larger than the sum of its proper divisors (898298).

1628002 is a wasteful number, since it uses less digits than its factorization.

1628002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28100.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1628002 is about 1275.9318163601. The cubic root of 1628002 is about 117.6390868422.

The spelling of 1628002 in words is "one million, six hundred twenty-eight thousand, two".