4280026 has 4 divisors (see below), whose sum is σ = 6420042. Its totient is φ = 2140012.

The previous prime is 4280021. The next prime is 4280033. The reversal of 4280026 is 6200824.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3059001 + 1221025 = 1749^2 + 1105^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4279979 and 4280006.

It is not an unprimeable number, because it can be changed into a prime (4280021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070005 + ... + 1070008.

Almost surely, 2^4280026 is an apocalyptic number.

4280026 is a deficient number, since it is larger than the sum of its proper divisors (2140016).

4280026 is a wasteful number, since it uses less digits than its factorization.

4280026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140015.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 4280026 is about 2068.8223703354. The cubic root of 4280026 is about 162.3611563533.

The spelling of 4280026 in words is "four million, two hundred eighty thousand, twenty-six".