2630009 has 8 divisors (see below), whose sum is σ = 2779392. Its totient is φ = 2484720.

The previous prime is 2629973. The next prime is 2630041. The reversal of 2630009 is 9000362.

2630009 = 226² + 227² + ... + 268².

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 a de Polignac number, because none of the positive numbers 2^k-2630009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2630099) 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, 347 + ... + 2319.

It is an arithmetic number, because the mean of its divisors is an integer number (347424).

2^2630009 is an apocalyptic number.

It is an amenable number.

2630009 is a deficient number, since it is larger than the sum of its proper divisors (149383).

2630009 is a wasteful number, since it uses less digits than its factorization.

2630009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 2630009 is about 1621.7302488392. The cubic root of 2630009 is about 138.0338956156.

The spelling of 2630009 in words is "two million, six hundred thirty thousand, nine".