4028894457 has 8 divisors (see below), whose sum is σ = 6139267776. Its totient is φ = 2302225392.

The previous prime is 4028894407. The next prime is 4028894459. The reversal of 4028894457 is 7544988204.

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

It is not a de Polignac number, because 4028894457 - 2⁷ = 4028894329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4028894459) 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, 95926038 + ... + 95926079.

It is an arithmetic number, because the mean of its divisors is an integer number (767408472).

Almost surely, 2^4028894457 is an apocalyptic number.

It is an amenable number.

4028894457 is a deficient number, since it is larger than the sum of its proper divisors (2110373319).

4028894457 is a wasteful number, since it uses less digits than its factorization.

4028894457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191852127.

The product of its (nonzero) digits is 2580480, while the sum is 51.

The square root of 4028894457 is about 63473.5729024292. The cubic root of 4028894457 is about 1591.2141428410.

The spelling of 4028894457 in words is "four billion, twenty-eight million, eight hundred ninety-four thousand, four hundred fifty-seven".