1003499500 has 48 divisors (see below), whose sum is σ = 2212243488. Its totient is φ = 397627200.

The previous prime is 1003499461. The next prime is 1003499503. The reversal of 1003499500 is 59943001.

It is a super-2 number, since 2×1003499500² = 2014022493000500000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1003499503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44122 + ... + 62878.

It is an arithmetic number, because the mean of its divisors is an integer number (46088406).

Almost surely, 2^1003499500 is an apocalyptic number.

1003499500 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 1003499500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1106121744).

1003499500 is an abundant number, since it is smaller than the sum of its proper divisors (1208743988).

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

1003499500 is a wasteful number, since it uses less digits than its factorization.

1003499500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18883 (or 18871 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 1003499500 is about 31678.0602310179. The cubic root of 1003499500 is about 1001.1651419171.

The spelling of 1003499500 in words is "one billion, three million, four hundred ninety-nine thousand, five hundred".