1005344412 has 12 divisors (see below), whose sum is σ = 2345803656. Its totient is φ = 335114800.

The previous prime is 1005344411. The next prime is 1005344443. The reversal of 1005344412 is 2144435001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005344411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41889339 + ... + 41889362.

It is an arithmetic number, because the mean of its divisors is an integer number (195483638).

Almost surely, 2^1005344412 is an apocalyptic number.

1005344412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1005344412 is an abundant number, since it is smaller than the sum of its proper divisors (1340459244).

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

1005344412 is a wasteful number, since it uses less digits than its factorization.

1005344412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83778708 (or 83778706 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1005344412 is about 31707.1665716128. The cubic root of 1005344412 is about 1001.7783064184.

Adding to 1005344412 its reverse (2144435001), we get a palindrome (3149779413).

The spelling of 1005344412 in words is "one billion, five million, three hundred forty-four thousand, four hundred twelve".