1004665628 has 12 divisors (see below), whose sum is σ = 1758690192. Its totient is φ = 502182720.

The previous prime is 1004665619. The next prime is 1004665637. The reversal of 1004665628 is 8265664001.

It is an interprime number because it is at equal distance from previous prime (1004665619) and next prime (1004665637).

It is a junction number, because it is equal to n+sod(n) for n = 1004665591 and 1004665600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21725 + ... + 49812.

It is an arithmetic number, because the mean of its divisors is an integer number (146557516).

Almost surely, 2^1004665628 is an apocalyptic number.

It is an amenable number.

1004665628 is a deficient number, since it is larger than the sum of its proper divisors (754024564).

1004665628 is a wasteful number, since it uses less digits than its factorization.

1004665628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75052 (or 75050 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 1004665628 is about 31696.4608118951. The cubic root of 1004665628 is about 1001.5527969071.

The spelling of 1004665628 in words is "one billion, four million, six hundred sixty-five thousand, six hundred twenty-eight".