2455668 has 18 divisors (see below), whose sum is σ = 6207474. Its totient is φ = 818544.

The previous prime is 2455657. The next prime is 2455679. The reversal of 2455668 is 8665542.

2455668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2455657) and next prime (2455679).

It can be written as a sum of positive squares in only one way, i.e., 1954404 + 501264 = 1398^2 + 708^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 68213 = 2455668 / (2 + 4 + 5 + 5 + 6 + 6 + 8).

It is a plaindrome in base 10 and base 14.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34071 + ... + 34142.

2^2455668 is an apocalyptic number.

It is an amenable number.

2455668 is an abundant number, since it is smaller than the sum of its proper divisors (3751806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2455668 is a wasteful number, since it uses less digits than its factorization.

2455668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68223 (or 68218 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 2455668 is about 1567.0571144665. The cubic root of 2455668 is about 134.9138545060.

The spelling of 2455668 in words is "two million, four hundred fifty-five thousand, six hundred sixty-eight".