3678628 has 24 divisors (see below), whose sum is σ = 6860000. Its totient is φ = 1721088.

The previous prime is 3678617. The next prime is 3678659. The reversal of 3678628 is 8268763.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7123 + ... + 7621.

Almost surely, 2^3678628 is an apocalyptic number.

3678628 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3678628 is a deficient number, since it is larger than the sum of its proper divisors (3181372).

3678628 is a wasteful number, since it uses less digits than its factorization.

3678628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619 (or 617 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 3678628 is about 1917.9749737679. The cubic root of 3678628 is about 154.3696634717.

The spelling of 3678628 in words is "three million, six hundred seventy-eight thousand, six hundred twenty-eight".