32104421 has 4 divisors (see below), whose sum is σ = 33211500. Its totient is φ = 30997344.

The previous prime is 32104417. The next prime is 32104439. The reversal of 32104421 is 12440123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22562500 + 9541921 = 4750^2 + 3089^2 .

It is a cyclic number.

It is not a de Polignac number, because 32104421 - 2² = 32104417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32104421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32104411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553496 + ... + 553553.

It is an arithmetic number, because the mean of its divisors is an integer number (8302875).

Almost surely, 2^32104421 is an apocalyptic number.

It is an amenable number.

32104421 is a deficient number, since it is larger than the sum of its proper divisors (1107079).

32104421 is a wasteful number, since it uses less digits than its factorization.

32104421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107078.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 32104421 is about 5666.0763319955. The cubic root of 32104421 is about 317.8251646297.

Adding to 32104421 its reverse (12440123), we get a palindrome (44544544).

The spelling of 32104421 in words is "thirty-two million, one hundred four thousand, four hundred twenty-one".