4028744 has 8 divisors (see below), whose sum is σ = 7553910. Its totient is φ = 2014368.

The previous prime is 4028743. The next prime is 4028747. The reversal of 4028744 is 4478204.

It can be written as a sum of positive squares in only one way, i.e., 3960100 + 68644 = 1990^2 + 262^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (4028743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251789 + ... + 251804.

Almost surely, 2^4028744 is an apocalyptic number.

It is an amenable number.

4028744 is a deficient number, since it is larger than the sum of its proper divisors (3525166).

4028744 is a wasteful number, since it uses less digits than its factorization.

4028744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503599 (or 503595 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 4028744 is about 2007.1731365281. The cubic root of 4028744 is about 159.1194334902.

The spelling of 4028744 in words is "four million, twenty-eight thousand, seven hundred forty-four".