32804381 has 8 divisors (see below), whose sum is σ = 33290784. Its totient is φ = 32321520.

The previous prime is 32804377. The next prime is 32804411. The reversal of 32804381 is 18340823.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32804381 - 2² = 32804377 is a prime.

It is a super-3 number, since 3×32804381³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32804341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21851 + ... + 23303.

It is an arithmetic number, because the mean of its divisors is an integer number (4161348).

Almost surely, 2^32804381 is an apocalyptic number.

It is an amenable number.

32804381 is a deficient number, since it is larger than the sum of its proper divisors (486403).

32804381 is a wasteful number, since it uses less digits than its factorization.

32804381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 32804381 is about 5727.5108904305. The cubic root of 32804381 is about 320.1183839329.

The spelling of 32804381 in words is "thirty-two million, eight hundred four thousand, three hundred eighty-one".