3229681 has 8 divisors (see below), whose sum is σ = 3975104. Its totient is φ = 2555280.

The previous prime is 3229663. The next prime is 3229691. The reversal of 3229681 is 1869223.

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

It is not a de Polignac number, because 3229681 - 2⁵ = 3229649 is a prime.

It is a super-2 number, since 2×3229681² = 20861678723522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3229621) 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, 17655 + ... + 17836.

It is an arithmetic number, because the mean of its divisors is an integer number (496888).

Almost surely, 2^3229681 is an apocalyptic number.

It is an amenable number.

3229681 is a deficient number, since it is larger than the sum of its proper divisors (745423).

3229681 is a wasteful number, since it uses less digits than its factorization.

3229681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35511.

The product of its digits is 5184, while the sum is 31.

The square root of 3229681 is about 1797.1313251958. The cubic root of 3229681 is about 147.8154657719.

The spelling of 3229681 in words is "three million, two hundred twenty-nine thousand, six hundred eighty-one".