1005397230 has 32 divisors (see below), whose sum is σ = 2496160800. Its totient is φ = 258860672.

The previous prime is 1005397223. The next prime is 1005397231. The reversal of 1005397230 is 327935001.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005397231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576945 + ... + 578684.

It is an arithmetic number, because the mean of its divisors is an integer number (78005025).

Almost surely, 2^1005397230 is an apocalyptic number.

1005397230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1005397230 is an abundant number, since it is smaller than the sum of its proper divisors (1490763570).

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

1005397230 is a wasteful number, since it uses less digits than its factorization.

1005397230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155668.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 1005397230 is about 31707.9994638577. Note that the first 3 decimals coincide. The cubic root of 1005397230 is about 1001.7958496601.

The spelling of 1005397230 in words is "one billion, five million, three hundred ninety-seven thousand, two hundred thirty".