4290281 has 8 divisors (see below), whose sum is σ = 4422600. Its totient is φ = 4159360.

The previous prime is 4290277. The next prime is 4290287. The reversal of 4290281 is 1820924.

It can be written as a sum of positive squares in 4 ways, for example, as 354025 + 3936256 = 595^2 + 1984^2 .

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 4290281 - 2² = 4290277 is a prime.

It is a super-2 number, since 2×4290281² = 36813022117922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4290281.

It is not an unprimeable number, because it can be changed into a prime (4290287) 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, 10835 + ... + 11223.

It is an arithmetic number, because the mean of its divisors is an integer number (552825).

Almost surely, 2^4290281 is an apocalyptic number.

4290281 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4290281 is a deficient number, since it is larger than the sum of its proper divisors (132319).

4290281 is a wasteful number, since it uses less digits than its factorization.

4290281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 4290281 is about 2071.2993506492. The cubic root of 4290281 is about 162.4907260980.

The spelling of 4290281 in words is "four million, two hundred ninety thousand, two hundred eighty-one".