32420415 has 32 divisors (see below), whose sum is σ = 53222400. Its totient is φ = 16848000.

The previous prime is 32420387. The next prime is 32420417. The reversal of 32420415 is 51402423.

It is not a de Polignac number, because 32420415 - 2⁶ = 32420351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32420391 and 32420400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32420417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129040 + ... + 129290.

It is an arithmetic number, because the mean of its divisors is an integer number (1663200).

Almost surely, 2^32420415 is an apocalyptic number.

32420415 is a deficient number, since it is larger than the sum of its proper divisors (20801985).

32420415 is a wasteful number, since it uses less digits than its factorization.

32420415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 32420415 is about 5693.8927808662. The cubic root of 32420415 is about 318.8645140259.

Adding to 32420415 its reverse (51402423), we get a palindrome (83822838).

The spelling of 32420415 in words is "thirty-two million, four hundred twenty thousand, four hundred fifteen".