3618428 has 12 divisors (see below), whose sum is σ = 6907992. Its totient is φ = 1644720.

The previous prime is 3618421. The next prime is 3618443. The reversal of 3618428 is 8248163.

It is a junction number, because it is equal to n+sod(n) for n = 3618394 and 3618403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3618421) 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, 41075 + ... + 41162.

It is an arithmetic number, because the mean of its divisors is an integer number (575666).

Almost surely, 2^3618428 is an apocalyptic number.

It is an amenable number.

3618428 is a deficient number, since it is larger than the sum of its proper divisors (3289564).

3618428 is a wasteful number, since it uses less digits than its factorization.

3618428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82252 (or 82250 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 3618428 is about 1902.2166017570. The cubic root of 3618428 is about 153.5229517187.

The spelling of 3618428 in words is "three million, six hundred eighteen thousand, four hundred twenty-eight".