3617228 has 12 divisors (see below), whose sum is σ = 6548640. Its totient is φ = 1746192.

The previous prime is 3617221. The next prime is 3617267. The reversal of 3617228 is 8227163.

It is a happy number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3617228.

It is not an unprimeable number, because it can be changed into a prime (3617221) 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, 15476 + ... + 15707.

It is an arithmetic number, because the mean of its divisors is an integer number (545720).

Almost surely, 2^3617228 is an apocalyptic number.

It is an amenable number.

3617228 is a deficient number, since it is larger than the sum of its proper divisors (2931412).

3617228 is a wasteful number, since it uses less digits than its factorization.

3617228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31216 (or 31214 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 3617228 is about 1901.9011541087. The cubic root of 3617228 is about 153.5059786104.

The spelling of 3617228 in words is "three million, six hundred seventeen thousand, two hundred twenty-eight".