3981229 has 8 divisors (see below), whose sum is σ = 4647168. Its totient is φ = 3339600.

The previous prime is 3981227. The next prime is 3981253. The reversal of 3981229 is 9221893.

3981229 = T₆ + T₇ + ... + T₂₈₇.

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 3981229 - 2¹ = 3981227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3981194 and 3981203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3981227) 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, 5722 + ... + 6379.

It is an arithmetic number, because the mean of its divisors is an integer number (580896).

Almost surely, 2^3981229 is an apocalyptic number.

It is an amenable number.

3981229 is a deficient number, since it is larger than the sum of its proper divisors (665939).

3981229 is a wasteful number, since it uses less digits than its factorization.

3981229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12155.

The product of its digits is 7776, while the sum is 34.

The square root of 3981229 is about 1995.3017315684. The cubic root of 3981229 is about 158.4914065538.

The spelling of 3981229 in words is "three million, nine hundred eighty-one thousand, two hundred twenty-nine".