32420424 has 16 divisors (see below), whose sum is σ = 81051120. Its totient is φ = 10806800.

The previous prime is 32420417. The next prime is 32420431. The reversal of 32420424 is 42402423.

It is an interprime number because it is at equal distance from previous prime (32420417) and next prime (32420431).

It is a self number, because there is not a number n which added to its sum of digits gives 32420424.

It is an unprimeable number.

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, 675402 + ... + 675449.

It is an arithmetic number, because the mean of its divisors is an integer number (5065695).

Almost surely, 2^32420424 is an apocalyptic number.

It is an amenable number.

32420424 is an abundant number, since it is smaller than the sum of its proper divisors (48630696).

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

32420424 is a wasteful number, since it uses less digits than its factorization.

32420424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350860 (or 1350856 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 32420424 is about 5693.8935711866. The cubic root of 32420424 is about 318.8645435318.

Adding to 32420424 its reverse (42402423), we get a palindrome (74822847).

The spelling of 32420424 in words is "thirty-two million, four hundred twenty thousand, four hundred twenty-four".