1026432 has 112 divisors (see below), whose sum is σ = 3344580. Its totient is φ = 311040.

The previous prime is 1026427. The next prime is 1026439. The reversal of 1026432 is 2346201.

It is a happy number.

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

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026439) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 93307 + ... + 93317.

2^1026432 is an apocalyptic number.

1026432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1026432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1672290).

1026432 is an abundant number, since it is smaller than the sum of its proper divisors (2318148).

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

1026432 is an frugal number, since it uses more digits than its factorization.

1026432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43 (or 16 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1026432 is about 1013.1298041219. The cubic root of 1026432 is about 100.8734159036.

It can be divided in two parts, 10264 and 32, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 1026432 in words is "one million, twenty-six thousand, four hundred thirty-two".