4280838 has 16 divisors (see below), whose sum is σ = 9065520. Its totient is φ = 1342976.

The previous prime is 4280827. The next prime is 4280873. The reversal of 4280838 is 8380824.

It is a junction number, because it is equal to n+sod(n) for n = 4280799 and 4280808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20883 + ... + 21086.

It is an arithmetic number, because the mean of its divisors is an integer number (566595).

Almost surely, 2^4280838 is an apocalyptic number.

4280838 is an abundant number, since it is smaller than the sum of its proper divisors (4784682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4280838 is a wasteful number, since it uses less digits than its factorization.

4280838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41991.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 4280838 is about 2069.0186079395. The cubic root of 4280838 is about 162.3714233410.

The spelling of 4280838 in words is "four million, two hundred eighty thousand, eight hundred thirty-eight".