1005628 has 24 divisors (see below), whose sum is σ = 1926288. Its totient is φ = 456576.

The previous prime is 1005619. The next prime is 1005637. The reversal of 1005628 is 8265001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1005619) and next prime (1005637).

It is a super-2 number, since 2×1005628² = 2022575348768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1005599 and 1005608.

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 7 ways as a sum of consecutive naturals, for example, 4200 + ... + 4432.

It is an arithmetic number, because the mean of its divisors is an integer number (80262).

2^1005628 is an apocalyptic number.

It is an amenable number.

1005628 is a deficient number, since it is larger than the sum of its proper divisors (920660).

1005628 is a wasteful number, since it uses less digits than its factorization.

1005628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1005628 is about 1002.8100518044. The cubic root of 1005628 is about 100.1872491587.

The spelling of 1005628 in words is "one million, five thousand, six hundred twenty-eight".