4257928 has 8 divisors (see below), whose sum is σ = 7983630. Its totient is φ = 2128960.

The previous prime is 4257899. The next prime is 4257931. The reversal of 4257928 is 8297524.

It can be written as a sum of positive squares in only one way, i.e., 4251844 + 6084 = 2062^2 + 78^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266113 + ... + 266128.

Almost surely, 2^4257928 is an apocalyptic number.

It is an amenable number.

4257928 is a deficient number, since it is larger than the sum of its proper divisors (3725702).

4257928 is a wasteful number, since it uses less digits than its factorization.

4257928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532247 (or 532243 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 4257928 is about 2063.4747393656. The cubic root of 4257928 is about 162.0812476666.

It can be divided in two parts, 42 and 57928, that added together give a triangular number (57970 = T₃₄₀).

The spelling of 4257928 in words is "four million, two hundred fifty-seven thousand, nine hundred twenty-eight".