32443420 has 48 divisors (see below), whose sum is σ = 70253568. Its totient is φ = 12579840.

The previous prime is 32443387. The next prime is 32443427. The reversal of 32443420 is 2434423.

It is a junction number, because it is equal to n+sod(n) for n = 32443391 and 32443400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32443427) 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 15 ways as a sum of consecutive naturals, for example, 134500 + ... + 134740.

It is an arithmetic number, because the mean of its divisors is an integer number (1463616).

Almost surely, 2^32443420 is an apocalyptic number.

It is an amenable number.

32443420 is an abundant number, since it is smaller than the sum of its proper divisors (37810148).

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

32443420 is a wasteful number, since it uses less digits than its factorization.

32443420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 32443420 is about 5695.9125695537. The cubic root of 32443420 is about 318.9399165542.

Adding to 32443420 its reverse (2434423), we get a palindrome (34877843).

The spelling of 32443420 in words is "thirty-two million, four hundred forty-three thousand, four hundred twenty".