4281389 has 8 divisors (see below), whose sum is σ = 4952640. Its totient is φ = 3625056.

The previous prime is 4281383. The next prime is 4281413. The reversal of 4281389 is 9831824.

It is a happy number.

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 4281389 - 2⁴ = 4281373 is a prime.

It is a d-powerful number, because it can be written as 4⁸ + 2¹⁹ + 8 + 1 + 3¹³ + 8⁷ + 9² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4281383) 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, 3104 + ... + 4265.

It is an arithmetic number, because the mean of its divisors is an integer number (619080).

Almost surely, 2^4281389 is an apocalyptic number.

It is an amenable number.

4281389 is a deficient number, since it is larger than the sum of its proper divisors (671251).

4281389 is an equidigital number, since it uses as much as digits as its factorization.

4281389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7459.

The product of its digits is 13824, while the sum is 35.

The square root of 4281389 is about 2069.1517585716. The cubic root of 4281389 is about 162.3783894861.

The spelling of 4281389 in words is "four million, two hundred eighty-one thousand, three hundred eighty-nine".