1006432 has 24 divisors (see below), whose sum is σ = 2264976. Its totient is φ = 431232.

The previous prime is 1006393. The next prime is 1006433. The reversal of 1006432 is 2346001.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2023 + ... + 2470.

It is an arithmetic number, because the mean of its divisors is an integer number (94374).

2^1006432 is an apocalyptic number.

It is an amenable number.

1006432 is an abundant number, since it is smaller than the sum of its proper divisors (1258544).

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

1006432 is an equidigital number, since it uses as much as digits as its factorization.

1006432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4510 (or 4502 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1006432 is about 1003.2108452364. The cubic root of 1006432 is about 100.2139419620.

The spelling of 1006432 in words is "one million, six thousand, four hundred thirty-two".