4290009 has 8 divisors (see below), whose sum is σ = 5737632. Its totient is φ = 2851200.

The previous prime is 4289977. The next prime is 4290017. The reversal of 4290009 is 9000924.

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

It is not a de Polignac number, because 4290009 - 2⁵ = 4289977 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

4290009 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4290079) 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, 967 + ... + 3084.

It is an arithmetic number, because the mean of its divisors is an integer number (717204).

Almost surely, 2^4290009 is an apocalyptic number.

It is an amenable number.

4290009 is a deficient number, since it is larger than the sum of its proper divisors (1447623).

4290009 is a wasteful number, since it uses less digits than its factorization.

4290009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 4290009 is about 2071.2336903401. The cubic root of 4290009 is about 162.4872921029.

Subtracting 4290009 from its reverse (9000924), we obtain a triangular number (4710915 = T₃₀₆₉).

The spelling of 4290009 in words is "four million, two hundred ninety thousand, nine".