4071628 has 48 divisors (see below), whose sum is σ = 8311968. Its totient is φ = 1728000.

The previous prime is 4071601. The next prime is 4071647. The reversal of 4071628 is 8261704.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4071596 and 4071605.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66718 + ... + 66778.

It is an arithmetic number, because the mean of its divisors is an integer number (173166).

Almost surely, 2^4071628 is an apocalyptic number.

It is an amenable number.

4071628 is an abundant number, since it is smaller than the sum of its proper divisors (4240340).

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

4071628 is a wasteful number, since it uses less digits than its factorization.

4071628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 4071628 is about 2017.8275446628. The cubic root of 4071628 is about 159.6820247420.

It can be divided in two parts, 407 and 1628, that multiplied together give a square (662596 = 814²).

The spelling of 4071628 in words is "four million, seventy-one thousand, six hundred twenty-eight".