4290909 has 8 divisors (see below), whose sum is σ = 6538560. Its totient is φ = 2451936.

The previous prime is 4290899. The next prime is 4290911. The reversal of 4290909 is 9090924.

It is a happy number.

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

It is not a de Polignac number, because 4290909 - 2¹⁶ = 4225373 is a prime.

4290909 is a modest number, since divided by 909 gives 429 as remainder.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4290909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4290109) 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, 102144 + ... + 102185.

It is an arithmetic number, because the mean of its divisors is an integer number (817320).

Almost surely, 2^4290909 is an apocalyptic number.

It is an amenable number.

4290909 is a deficient number, since it is larger than the sum of its proper divisors (2247651).

4290909 is a wasteful number, since it uses less digits than its factorization.

4290909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204339.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 4290909 is about 2071.4509407659. The cubic root of 4290909 is about 162.4986540322.

It can be divided in two parts, 42 and 90909, that added together give a triangular number (90951 = T₄₂₆).

The spelling of 4290909 in words is "four million, two hundred ninety thousand, nine hundred nine".