4028457 has 8 divisors (see below), whose sum is σ = 5390784. Its totient is φ = 2675888.

The previous prime is 4028441. The next prime is 4028471. The reversal of 4028457 is 7548204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4028457 - 2⁴ = 4028441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4029457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1413 + ... + 3170.

It is an arithmetic number, because the mean of its divisors is an integer number (673848).

Almost surely, 2^4028457 is an apocalyptic number.

It is an amenable number.

4028457 is a deficient number, since it is larger than the sum of its proper divisors (1362327).

4028457 is a wasteful number, since it uses less digits than its factorization.

4028457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4879.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 4028457 is about 2007.1016416714. The cubic root of 4028457 is about 159.1156549460.

The spelling of 4028457 in words is "four million, twenty-eight thousand, four hundred fifty-seven".