1006306500 has 384 divisors, whose sum is σ = 3421716480. Its totient is φ = 228096000.

The previous prime is 1006306493. The next prime is 1006306507. The reversal of 1006306500 is 56036001.

It is an interprime number because it is at equal distance from previous prime (1006306493) and next prime (1006306507).

It is not an unprimeable number, because it can be changed into a prime (1006306507) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15019467 + ... + 15019533.

It is an arithmetic number, because the mean of its divisors is an integer number (8910720).

Almost surely, 2^1006306500 is an apocalyptic number.

1006306500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1006306500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1710858240).

1006306500 is an abundant number, since it is smaller than the sum of its proper divisors (2415409980).

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

1006306500 is a wasteful number, since it uses less digits than its factorization.

1006306500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1006306500 is about 31722.3344033821. The cubic root of 1006306500 is about 1002.0977629800.

The spelling of 1006306500 in words is "one billion, six million, three hundred six thousand, five hundred".