3920628 has 24 divisors (see below), whose sum is σ = 9253440. Its totient is φ = 1291840.

The previous prime is 3920561. The next prime is 3920629. The reversal of 3920628 is 8260293.

It is a junction number, because it is equal to n+sod(n) for n = 3920595 and 3920604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3920629) 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, 768 + ... + 2903.

It is an arithmetic number, because the mean of its divisors is an integer number (385560).

Almost surely, 2^3920628 is an apocalyptic number.

It is an amenable number.

3920628 is an abundant number, since it is smaller than the sum of its proper divisors (5332812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3920628 is a wasteful number, since it uses less digits than its factorization.

3920628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767 (or 3765 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 3920628 is about 1980.0575749205. The cubic root of 3920628 is about 157.6831228562.

The spelling of 3920628 in words is "three million, nine hundred twenty thousand, six hundred twenty-eight".