4072028 has 6 divisors (see below), whose sum is σ = 7126056. Its totient is φ = 2036012.

The previous prime is 4072009. The next prime is 4072039. The reversal of 4072028 is 8202704.

4072028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4071994 and 4072012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 509000 + ... + 509007.

It is an arithmetic number, because the mean of its divisors is an integer number (1187676).

Almost surely, 2^4072028 is an apocalyptic number.

It is an amenable number.

4072028 is a deficient number, since it is larger than the sum of its proper divisors (3054028).

4072028 is a wasteful number, since it uses less digits than its factorization.

4072028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018011 (or 1018009 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 4072028 is about 2017.9266587267. The cubic root of 4072028 is about 159.6872536675.

The spelling of 4072028 in words is "four million, seventy-two thousand, twenty-eight".