1003290660 has 72 divisors (see below), whose sum is σ = 3045893760. Its totient is φ = 267317568.

The previous prime is 1003290647. The next prime is 1003290661. The reversal of 1003290660 is 660923001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1003290661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 419829 + ... + 422211.

It is an arithmetic number, because the mean of its divisors is an integer number (42304080).

Almost surely, 2^1003290660 is an apocalyptic number.

1003290660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003290660 is an abundant number, since it is smaller than the sum of its proper divisors (2042603100).

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

1003290660 is a wasteful number, since it uses less digits than its factorization.

1003290660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737 (or 4732 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1003290660 is about 31674.7637718105. The cubic root of 1003290660 is about 1001.0956857010.

The spelling of 1003290660 in words is "one billion, three million, two hundred ninety thousand, six hundred sixty".