2469609 has 12 divisors (see below), whose sum is σ = 3699696. Its totient is φ = 1646244.

The previous prime is 2469583. The next prime is 2469629. The reversal of 2469609 is 9069642.

2469609 is a `hidden beast` number, since 2 + 46 + 9 + 609 = 666.

It is not a de Polignac number, because 2469609 - 2¹² = 2465513 is a prime.

It is a super-3 number, since 3×2469609³ = 45186203331265300587, which contains 333 as substring. Note that it is a super-d number also for d = 2.

2469609 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2469629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4839 + ... + 5324.

It is an arithmetic number, because the mean of its divisors is an integer number (308308).

2^2469609 is an apocalyptic number.

It is an amenable number.

2469609 is a deficient number, since it is larger than the sum of its proper divisors (1230087).

2469609 is an equidigital number, since it uses as much as digits as its factorization.

2469609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10178 (or 10166 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 2469609 is about 1571.4989659558. The cubic root of 2469609 is about 135.1686780435.

The spelling of 2469609 in words is "two million, four hundred sixty-nine thousand, six hundred nine".