32416621 has 4 divisors (see below), whose sum is σ = 32430652. Its totient is φ = 32402592.

The previous prime is 32416619. The next prime is 32416627. The reversal of 32416621 is 12661423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12661423 = 31 ⋅408433.

It can be written as a sum of positive squares in 2 ways, for example, as 16695396 + 15721225 = 4086^2 + 3965^2 .

It is a cyclic number.

It is not a de Polignac number, because 32416621 - 2¹ = 32416619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32416627) 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, 2640 + ... + 8473.

It is an arithmetic number, because the mean of its divisors is an integer number (8107663).

Almost surely, 2^32416621 is an apocalyptic number.

It is an amenable number.

32416621 is a deficient number, since it is larger than the sum of its proper divisors (14031).

32416621 is a wasteful number, since it uses less digits than its factorization.

32416621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14030.

The product of its digits is 1728, while the sum is 25.

The square root of 32416621 is about 5693.5596071351. The cubic root of 32416621 is about 318.8520751643.

The spelling of 32416621 in words is "thirty-two million, four hundred sixteen thousand, six hundred twenty-one".