32030421 has 12 divisors (see below), whose sum is σ = 44647008.
Its totient is φ = 20424184.
The previous prime is 32030393. The next prime is 32030423. The reversal of 32030421 is 12403023.
It is not a de Polignac number, because 32030421 - 27 = 32030293 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 32030421.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (32030423) 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, 8505 + ... + 11678.
It is an arithmetic number, because the mean of its divisors is an integer number (3720584).
Almost surely, 232030421 is an apocalyptic number.
It is an amenable number.
32030421 is a deficient number, since it is larger than the sum of its proper divisors (12616587).
32030421 is a wasteful number, since it uses less digits than its factorization.
32030421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20232 (or 20209 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 32030421 is about 5659.5424726739.
The cubic root of 32030421 is about 317.5807833790.
Adding to 32030421 its reverse (12403023), we get a palindrome (44433444).
The spelling of 32030421 in words is "thirty-two million, thirty thousand, four hundred twenty-one".