1009530 has 32 divisors (see below), whose sum is σ = 2692800. Its totient is φ = 269136.

The previous prime is 1009507. The next prime is 1009531. The reversal of 1009530 is 359001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1009531) 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, 1600 + ... + 2139.

It is an arithmetic number, because the mean of its divisors is an integer number (84150).

2^1009530 is an apocalyptic number.

1009530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1009530 is an abundant number, since it is smaller than the sum of its proper divisors (1683270).

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

1009530 is a wasteful number, since it uses less digits than its factorization.

1009530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3755 (or 3749 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

The square root of 1009530 is about 1004.7537011626. The cubic root of 1009530 is about 100.3166628546.

The spelling of 1009530 in words is "one million, nine thousand, five hundred thirty".