2406659 has 4 divisors (see below), whose sum is σ = 2465400. Its totient is φ = 2347920.

The previous prime is 2406647. The next prime is 2406661. The reversal of 2406659 is 9566042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2406659 - 2⁴ = 2406643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2406619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29309 + ... + 29390.

It is an arithmetic number, because the mean of its divisors is an integer number (616350).

2^2406659 is an apocalyptic number.

2406659 is a deficient number, since it is larger than the sum of its proper divisors (58741).

2406659 is an equidigital number, since it uses as much as digits as its factorization.

2406659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58740.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 2406659 is about 1551.3410327842. The cubic root of 2406659 is about 134.0103021707.

It can be divided in two parts, 2 and 406659, that multiplied together give a palindrome (813318).

The spelling of 2406659 in words is "two million, four hundred six thousand, six hundred fifty-nine".