4072328 has 16 divisors (see below), whose sum is σ = 8223180. Its totient is φ = 1879488.

The previous prime is 4072309. The next prime is 4072337. The reversal of 4072328 is 8232704.

It can be written as a sum of positive squares in 2 ways, for example, as 4072324 + 4 = 2018^2 + 2^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 4072297 and 4072306.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19475 + ... + 19682.

Almost surely, 2^4072328 is an apocalyptic number.

It is an amenable number.

4072328 is an abundant number, since it is smaller than the sum of its proper divisors (4150852).

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

4072328 is a wasteful number, since it uses less digits than its factorization.

4072328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39176 (or 39172 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 4072328 is about 2018.0009910800. Note that the first 3 decimals coincide. The cubic root of 4072328 is about 159.6911751369.

The spelling of 4072328 in words is "four million, seventy-two thousand, three hundred twenty-eight".