32420403 has 12 divisors (see below), whose sum is σ = 49294440. Its totient is φ = 20475936.

The previous prime is 32420387. The next prime is 32420417. The reversal of 32420403 is 30402423.

It is not a de Polignac number, because 32420403 - 2⁴ = 32420387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32420503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94626 + ... + 94967.

It is an arithmetic number, because the mean of its divisors is an integer number (4107870).

Almost surely, 2^32420403 is an apocalyptic number.

32420403 is a deficient number, since it is larger than the sum of its proper divisors (16874037).

32420403 is a wasteful number, since it uses less digits than its factorization.

32420403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189618 (or 189615 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 32420403 is about 5693.8917271055. The cubic root of 32420403 is about 318.8644746847.

Adding to 32420403 its reverse (30402423), we get a palindrome (62822826).

It can be divided in two parts, 32420 and 403, that added together give a palindrome (32823).

The spelling of 32420403 in words is "thirty-two million, four hundred twenty thousand, four hundred three".