2406688 has 12 divisors (see below), whose sum is σ = 4738230. Its totient is φ = 1203328.

The previous prime is 2406683. The next prime is 2406689. The reversal of 2406688 is 8866042.

It can be written as a sum of positive squares in only one way, i.e., 1507984 + 898704 = 1228^2 + 948^2 .

It is a d-powerful number, because it can be written as 2²¹ + 4⁹ + 0 + 6³ + 6⁶ + 8 + 8³ .

It is not an unprimeable number, because it can be changed into a prime (2406683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37573 + ... + 37636.

2^2406688 is an apocalyptic number.

It is an amenable number.

2406688 is a deficient number, since it is larger than the sum of its proper divisors (2331542).

2406688 is an equidigital number, since it uses as much as digits as its factorization.

2406688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75219 (or 75211 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 2406688 is about 1551.3503795081. The cubic root of 2406688 is about 134.0108404388.

The spelling of 2406688 in words is "two million, four hundred six thousand, six hundred eighty-eight".