1628284 has 12 divisors (see below), whose sum is σ = 3256624. Its totient is φ = 697824.

The previous prime is 1628279. The next prime is 1628293. The reversal of 1628284 is 4828261.

1628284 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 29049 + ... + 29104.

2^1628284 is an apocalyptic number.

1628284 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1628284 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1628284 is a wasteful number, since it uses less digits than its factorization.

1628284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58164 (or 58162 counting only the distinct ones).

The product of its digits is 6144, while the sum is 31.

The square root of 1628284 is about 1276.0423190475. The cubic root of 1628284 is about 117.6458788705.

The spelling of 1628284 in words is "one million, six hundred twenty-eight thousand, two hundred eighty-four".