1005432 has 16 divisors (see below), whose sum is σ = 2513640. Its totient is φ = 335136.

The previous prime is 1005427. The next prime is 1005437. The reversal of 1005432 is 2345001.

It is an interprime number because it is at equal distance from previous prime (1005427) and next prime (1005437).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20923 + ... + 20970.

2^1005432 is an apocalyptic number.

1005432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1005432 is an abundant number, since it is smaller than the sum of its proper divisors (1508208).

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

1005432 is a wasteful number, since it uses less digits than its factorization.

1005432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41902 (or 41898 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1005432 is about 1002.7123216556. The cubic root of 1005432 is about 100.1807398011.

The spelling of 1005432 in words is "one million, five thousand, four hundred thirty-two".