4081628 has 6 divisors (see below), whose sum is σ = 7142856. Its totient is φ = 2040812.

The previous prime is 4081613. The next prime is 4081657. The reversal of 4081628 is 8261804.

It is a self number, because there is not a number n which added to its sum of digits gives 4081628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510200 + ... + 510207.

It is an arithmetic number, because the mean of its divisors is an integer number (1190476).

Almost surely, 2^4081628 is an apocalyptic number.

It is an amenable number.

4081628 is a deficient number, since it is larger than the sum of its proper divisors (3061228).

4081628 is a wasteful number, since it uses less digits than its factorization.

4081628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020411 (or 1020409 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 4081628 is about 2020.3039375302. The cubic root of 4081628 is about 159.8126452828.

The spelling of 4081628 in words is "four million, eighty-one thousand, six hundred twenty-eight".