1000028506 has 8 divisors (see below), whose sum is σ = 1500184224. Its totient is φ = 499967100.

The previous prime is 1000028483. The next prime is 1000028507. The reversal of 1000028506 is 6058200001.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1000028507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16681 + ... + 47731.

It is an arithmetic number, because the mean of its divisors is an integer number (187523028).

Almost surely, 2^1000028506 is an apocalyptic number.

1000028506 is a deficient number, since it is larger than the sum of its proper divisors (500155718).

1000028506 is a wasteful number, since it uses less digits than its factorization.

1000028506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47156.

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

The square root of 1000028506 is about 31623.2273179067. The cubic root of 1000028506 is about 1000.0095019097.

Adding to 1000028506 its reverse (6058200001), we get a palindrome (7058228507).

The spelling of 1000028506 in words is "one billion, twenty-eight thousand, five hundred six".