3661229 has 8 divisors (see below), whose sum is σ = 4301472. Its totient is φ = 3072240.

The previous prime is 3661211. The next prime is 3661247. The reversal of 3661229 is 9221663.

It is an interprime number because it is at equal distance from previous prime (3661211) and next prime (3661247).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3661229 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 (3661249) 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, 12659 + ... + 12944.

It is an arithmetic number, because the mean of its divisors is an integer number (537684).

Almost surely, 2^3661229 is an apocalyptic number.

It is an amenable number.

3661229 is a deficient number, since it is larger than the sum of its proper divisors (640243).

3661229 is a wasteful number, since it uses less digits than its factorization.

3661229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25627.

The product of its digits is 3888, while the sum is 29.

The square root of 3661229 is about 1913.4338243064. The cubic root of 3661229 is about 154.1259019888.

The spelling of 3661229 in words is "three million, six hundred sixty-one thousand, two hundred twenty-nine".